Home / 3,937,035.12-5,432,907.72-2,218,257.24

Finding the Fourth Proportional to 3,937,035.12, 5,432,907.72 and 2,218,257.24

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Solution

The fourth proportional to 3,937,035.12, 5,432,907.72 and 2,218,257.24 is: 3,061,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,035.12 : 5,432,907.72 = 2,218,257.24 : x
  2. Step 2: Convert to fraction form
    3,937,035.12/5,432,907.72 = 2,218,257.24/x
  3. Step 3: Cross multiply
    3,937,035.12x = 5,432,907.72 × 2,218,257.24
  4. Step 4: Simplify right side
    3,937,035.12x = 12,051,586,884,141.89
  5. Step 5: Solve for x
    x = 12,051,586,884,141.89/3,937,035.12
  6. Step 6: Final answer
    x = 3,061,081.88

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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.