Home / 3,894,415.04-5,374,278.84-2,152,035.92

Finding the Fourth Proportional to 3,894,415.04, 5,374,278.84 and 2,152,035.92

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Solution

The fourth proportional to 3,894,415.04, 5,374,278.84 and 2,152,035.92 is: 2,969,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,415.04 : 5,374,278.84 = 2,152,035.92 : x
  2. Step 2: Convert to fraction form
    3,894,415.04/5,374,278.84 = 2,152,035.92/x
  3. Step 3: Cross multiply
    3,894,415.04x = 5,374,278.84 × 2,152,035.92
  4. Step 4: Simplify right side
    3,894,415.04x = 11,565,641,107,775.93
  5. Step 5: Solve for x
    x = 11,565,641,107,775.93/3,894,415.04
  6. Step 6: Final answer
    x = 2,969,801.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.