Home / 5,220,821.90-7,831,232.85-4,866,527.90

Finding the Fourth Proportional to 5,220,821.90, 7,831,232.85 and 4,866,527.90

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Solution

The fourth proportional to 5,220,821.90, 7,831,232.85 and 4,866,527.90 is: 7,299,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,821.90 : 7,831,232.85 = 4,866,527.90 : x
  2. Step 2: Convert to fraction form
    5,220,821.90/7,831,232.85 = 4,866,527.90/x
  3. Step 3: Cross multiply
    5,220,821.90x = 7,831,232.85 × 4,866,527.90
  4. Step 4: Simplify right side
    5,220,821.90x = 38,110,913,155,921.52
  5. Step 5: Solve for x
    x = 38,110,913,155,921.52/5,220,821.90
  6. Step 6: Final answer
    x = 7,299,791.85

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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.