Home / 3,262,451.20-4,893,676.80-2,128,710.40

Finding the Fourth Proportional to 3,262,451.20, 4,893,676.80 and 2,128,710.40

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Solution

The fourth proportional to 3,262,451.20, 4,893,676.80 and 2,128,710.40 is: 3,193,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262,451.20 : 4,893,676.80 = 2,128,710.40 : x
  2. Step 2: Convert to fraction form
    3,262,451.20/4,893,676.80 = 2,128,710.40/x
  3. Step 3: Cross multiply
    3,262,451.20x = 4,893,676.80 × 2,128,710.40
  4. Step 4: Simplify right side
    3,262,451.20x = 10,417,220,698,398.72
  5. Step 5: Solve for x
    x = 10,417,220,698,398.72/3,262,451.20
  6. Step 6: Final answer
    x = 3,193,065.60

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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.