Home / 3,102,800.10-4,654,200.15-858,938.10

Finding the Fourth Proportional to 3,102,800.10, 4,654,200.15 and 858,938.10

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Solution

The fourth proportional to 3,102,800.10, 4,654,200.15 and 858,938.10 is: 1,288,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,800.10 : 4,654,200.15 = 858,938.10 : x
  2. Step 2: Convert to fraction form
    3,102,800.10/4,654,200.15 = 858,938.10/x
  3. Step 3: Cross multiply
    3,102,800.10x = 4,654,200.15 × 858,938.10
  4. Step 4: Simplify right side
    3,102,800.10x = 3,997,669,833,860.72
  5. Step 5: Solve for x
    x = 3,997,669,833,860.72/3,102,800.10
  6. Step 6: Final answer
    x = 1,288,407.15

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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.