Home / 3,411,746.64-5,119,391.12-1,391,472.72

Finding the Fourth Proportional to 3,411,746.64, 5,119,391.12 and 1,391,472.72

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Solution

The fourth proportional to 3,411,746.64, 5,119,391.12 and 1,391,472.72 is: 2,087,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,746.64 : 5,119,391.12 = 1,391,472.72 : x
  2. Step 2: Convert to fraction form
    3,411,746.64/5,119,391.12 = 1,391,472.72/x
  3. Step 3: Cross multiply
    3,411,746.64x = 5,119,391.12 × 1,391,472.72
  4. Step 4: Simplify right side
    3,411,746.64x = 7,123,493,086,490.25
  5. Step 5: Solve for x
    x = 7,123,493,086,490.25/3,411,746.64
  6. Step 6: Final answer
    x = 2,087,931.44

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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.