Home / 3,132,298.40-4,698,447.60-2,187,514.40

Finding the Fourth Proportional to 3,132,298.40, 4,698,447.60 and 2,187,514.40

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Solution

The fourth proportional to 3,132,298.40, 4,698,447.60 and 2,187,514.40 is: 3,281,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,298.40 : 4,698,447.60 = 2,187,514.40 : x
  2. Step 2: Convert to fraction form
    3,132,298.40/4,698,447.60 = 2,187,514.40/x
  3. Step 3: Cross multiply
    3,132,298.40x = 4,698,447.60 × 2,187,514.40
  4. Step 4: Simplify right side
    3,132,298.40x = 10,277,921,782,645.44
  5. Step 5: Solve for x
    x = 10,277,921,782,645.44/3,132,298.40
  6. Step 6: Final answer
    x = 3,281,271.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.