Home / 2,642,124.30-3,963,186.45-1,379,787.90

Finding the Fourth Proportional to 2,642,124.30, 3,963,186.45 and 1,379,787.90

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Solution

The fourth proportional to 2,642,124.30, 3,963,186.45 and 1,379,787.90 is: 2,069,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,124.30 : 3,963,186.45 = 1,379,787.90 : x
  2. Step 2: Convert to fraction form
    2,642,124.30/3,963,186.45 = 1,379,787.90/x
  3. Step 3: Cross multiply
    2,642,124.30x = 3,963,186.45 × 1,379,787.90
  4. Step 4: Simplify right side
    2,642,124.30x = 5,468,356,709,153.96
  5. Step 5: Solve for x
    x = 5,468,356,709,153.96/2,642,124.30
  6. Step 6: Final answer
    x = 2,069,681.85

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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.