Home / 4,781,726.80-7,174,512.60-1,942,061.20

Finding the Fourth Proportional to 4,781,726.80, 7,174,512.60 and 1,942,061.20

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Solution

The fourth proportional to 4,781,726.80, 7,174,512.60 and 1,942,061.20 is: 2,913,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,726.80 : 7,174,512.60 = 1,942,061.20 : x
  2. Step 2: Convert to fraction form
    4,781,726.80/7,174,512.60 = 1,942,061.20/x
  3. Step 3: Cross multiply
    4,781,726.80x = 7,174,512.60 × 1,942,061.20
  4. Step 4: Simplify right side
    4,781,726.80x = 13,933,342,549,371.12
  5. Step 5: Solve for x
    x = 13,933,342,549,371.12/4,781,726.80
  6. Step 6: Final answer
    x = 2,913,872.57

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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.