Home / 3,103,007.10-4,654,510.65-859,145.10

Finding the Fourth Proportional to 3,103,007.10, 4,654,510.65 and 859,145.10

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Solution

The fourth proportional to 3,103,007.10, 4,654,510.65 and 859,145.10 is: 1,288,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,007.10 : 4,654,510.65 = 859,145.10 : x
  2. Step 2: Convert to fraction form
    3,103,007.10/4,654,510.65 = 859,145.10/x
  3. Step 3: Cross multiply
    3,103,007.10x = 4,654,510.65 × 859,145.10
  4. Step 4: Simplify right side
    3,103,007.10x = 3,998,900,017,845.32
  5. Step 5: Solve for x
    x = 3,998,900,017,845.32/3,103,007.10
  6. Step 6: Final answer
    x = 1,288,717.65

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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.