Home / 3,645,009.90-5,467,514.85-1,120,337.10

Finding the Fourth Proportional to 3,645,009.90, 5,467,514.85 and 1,120,337.10

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Solution

The fourth proportional to 3,645,009.90, 5,467,514.85 and 1,120,337.10 is: 1,680,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,009.90 : 5,467,514.85 = 1,120,337.10 : x
  2. Step 2: Convert to fraction form
    3,645,009.90/5,467,514.85 = 1,120,337.10/x
  3. Step 3: Cross multiply
    3,645,009.90x = 5,467,514.85 × 1,120,337.10
  4. Step 4: Simplify right side
    3,645,009.90x = 6,125,459,731,255.94
  5. Step 5: Solve for x
    x = 6,125,459,731,255.94/3,645,009.90
  6. Step 6: Final answer
    x = 1,680,505.65

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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.