Home / 2,985,427.80-4,478,141.70-741,565.80

Finding the Fourth Proportional to 2,985,427.80, 4,478,141.70 and 741,565.80

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Solution

The fourth proportional to 2,985,427.80, 4,478,141.70 and 741,565.80 is: 1,112,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,427.80 : 4,478,141.70 = 741,565.80 : x
  2. Step 2: Convert to fraction form
    2,985,427.80/4,478,141.70 = 741,565.80/x
  3. Step 3: Cross multiply
    2,985,427.80x = 4,478,141.70 × 741,565.80
  4. Step 4: Simplify right side
    2,985,427.80x = 3,320,836,732,273.86
  5. Step 5: Solve for x
    x = 3,320,836,732,273.86/2,985,427.80
  6. Step 6: Final answer
    x = 1,112,348.70

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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.