Home / 2,075,787.60-3,113,098.20-656,278.80

Finding the Fourth Proportional to 2,075,787.60, 3,113,098.20 and 656,278.80

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Solution

The fourth proportional to 2,075,787.60, 3,113,098.20 and 656,278.80 is: 984,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,787.60 : 3,113,098.20 = 656,278.80 : x
  2. Step 2: Convert to fraction form
    2,075,787.60/3,113,098.20 = 656,278.80/x
  3. Step 3: Cross multiply
    2,075,787.60x = 3,113,098.20 × 656,278.80
  4. Step 4: Simplify right side
    2,075,787.60x = 2,043,060,350,978.16
  5. Step 5: Solve for x
    x = 2,043,060,350,978.16/2,075,787.60
  6. Step 6: Final answer
    x = 984,233.82

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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.