Home / 5,638,730.72-7,781,455.68-3,060,411.20

Finding the Fourth Proportional to 5,638,730.72, 7,781,455.68 and 3,060,411.20

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Solution

The fourth proportional to 5,638,730.72, 7,781,455.68 and 3,060,411.20 is: 4,223,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,730.72 : 7,781,455.68 = 3,060,411.20 : x
  2. Step 2: Convert to fraction form
    5,638,730.72/7,781,455.68 = 3,060,411.20/x
  3. Step 3: Cross multiply
    5,638,730.72x = 7,781,455.68 × 3,060,411.20
  4. Step 4: Simplify right side
    5,638,730.72x = 23,814,454,115,375.62
  5. Step 5: Solve for x
    x = 23,814,454,115,375.62/5,638,730.72
  6. Step 6: Final answer
    x = 4,223,371.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.