Home / 1,954,128.30-2,930,501.25-929,337.90

Finding the Fourth Proportional to 1,954,128.30, 2,930,501.25 and 929,337.90

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Solution

The fourth proportional to 1,954,128.30, 2,930,501.25 and 929,337.90 is: 1,393,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,128.30 : 2,930,501.25 = 929,337.90 : x
  2. Step 2: Convert to fraction form
    1,954,128.30/2,930,501.25 = 929,337.90/x
  3. Step 3: Cross multiply
    1,954,128.30x = 2,930,501.25 × 929,337.90
  4. Step 4: Simplify right side
    1,954,128.30x = 2,723,425,877,622.38
  5. Step 5: Solve for x
    x = 2,723,425,877,622.38/1,954,128.30
  6. Step 6: Final answer
    x = 1,393,678.13

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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.