Home / 1,870,442.64-2,581,209.28-1,011,002.90

Finding the Fourth Proportional to 1,870,442.64, 2,581,209.28 and 1,011,002.90

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Solution

The fourth proportional to 1,870,442.64, 2,581,209.28 and 1,011,002.90 is: 1,395,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,442.64 : 2,581,209.28 = 1,011,002.90 : x
  2. Step 2: Convert to fraction form
    1,870,442.64/2,581,209.28 = 1,011,002.90/x
  3. Step 3: Cross multiply
    1,870,442.64x = 2,581,209.28 × 1,011,002.90
  4. Step 4: Simplify right side
    1,870,442.64x = 2,609,610,067,586.91
  5. Step 5: Solve for x
    x = 2,609,610,067,586.91/1,870,442.64
  6. Step 6: Final answer
    x = 1,395,183.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.