Home / 3,129,051.38-4,695,551.54-1,331,931.92

Finding the Fourth Proportional to 3,129,051.38, 4,695,551.54 and 1,331,931.92

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Solution

The fourth proportional to 3,129,051.38, 4,695,551.54 and 1,331,931.92 is: 1,998,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,051.38 : 4,695,551.54 = 1,331,931.92 : x
  2. Step 2: Convert to fraction form
    3,129,051.38/4,695,551.54 = 1,331,931.92/x
  3. Step 3: Cross multiply
    3,129,051.38x = 4,695,551.54 × 1,331,931.92
  4. Step 4: Simplify right side
    3,129,051.38x = 6,254,154,947,993.74
  5. Step 5: Solve for x
    x = 6,254,154,947,993.74/3,129,051.38
  6. Step 6: Final answer
    x = 1,998,738.34

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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.