Home / 3,972,340.80-5,958,511.20-2,553,998.40

Finding the Fourth Proportional to 3,972,340.80, 5,958,511.20 and 2,553,998.40

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Solution

The fourth proportional to 3,972,340.80, 5,958,511.20 and 2,553,998.40 is: 3,830,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,340.80 : 5,958,511.20 = 2,553,998.40 : x
  2. Step 2: Convert to fraction form
    3,972,340.80/5,958,511.20 = 2,553,998.40/x
  3. Step 3: Cross multiply
    3,972,340.80x = 5,958,511.20 × 2,553,998.40
  4. Step 4: Simplify right side
    3,972,340.80x = 15,218,028,071,182.08
  5. Step 5: Solve for x
    x = 15,218,028,071,182.08/3,972,340.80
  6. Step 6: Final answer
    x = 3,830,997.60

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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.