Home / 3,620,892.80-5,432,122.56-1,377,073.28

Finding the Fourth Proportional to 3,620,892.80, 5,432,122.56 and 1,377,073.28

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Solution

The fourth proportional to 3,620,892.80, 5,432,122.56 and 1,377,073.28 is: 2,065,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,892.80 : 5,432,122.56 = 1,377,073.28 : x
  2. Step 2: Convert to fraction form
    3,620,892.80/5,432,122.56 = 1,377,073.28/x
  3. Step 3: Cross multiply
    3,620,892.80x = 5,432,122.56 × 1,377,073.28
  4. Step 4: Simplify right side
    3,620,892.80x = 7,480,430,831,061.20
  5. Step 5: Solve for x
    x = 7,480,430,831,061.20/3,620,892.80
  6. Step 6: Final answer
    x = 2,065,907.84

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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.