Home / 2,267,619.20-3,129,314.16-1,249,023.92

Finding the Fourth Proportional to 2,267,619.20, 3,129,314.16 and 1,249,023.92

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Solution

The fourth proportional to 2,267,619.20, 3,129,314.16 and 1,249,023.92 is: 1,723,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267,619.20 : 3,129,314.16 = 1,249,023.92 : x
  2. Step 2: Convert to fraction form
    2,267,619.20/3,129,314.16 = 1,249,023.92/x
  3. Step 3: Cross multiply
    2,267,619.20x = 3,129,314.16 × 1,249,023.92
  4. Step 4: Simplify right side
    2,267,619.20x = 3,908,588,239,034.71
  5. Step 5: Solve for x
    x = 3,908,588,239,034.71/2,267,619.20
  6. Step 6: Final answer
    x = 1,723,652.82

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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.