Home / 4,278,929.28-5,904,872.64-2,318,768.16

Finding the Fourth Proportional to 4,278,929.28, 5,904,872.64 and 2,318,768.16

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Solution

The fourth proportional to 4,278,929.28, 5,904,872.64 and 2,318,768.16 is: 3,199,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,929.28 : 5,904,872.64 = 2,318,768.16 : x
  2. Step 2: Convert to fraction form
    4,278,929.28/5,904,872.64 = 2,318,768.16/x
  3. Step 3: Cross multiply
    4,278,929.28x = 5,904,872.64 × 2,318,768.16
  4. Step 4: Simplify right side
    4,278,929.28x = 13,692,030,666,487.14
  5. Step 5: Solve for x
    x = 13,692,030,666,487.14/4,278,929.28
  6. Step 6: Final answer
    x = 3,199,873.09

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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.