Home / 5,665,343.64-7,817,929.82-3,217,947.12

Finding the Fourth Proportional to 5,665,343.64, 7,817,929.82 and 3,217,947.12

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Solution

The fourth proportional to 5,665,343.64, 7,817,929.82 and 3,217,947.12 is: 4,440,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665,343.64 : 7,817,929.82 = 3,217,947.12 : x
  2. Step 2: Convert to fraction form
    5,665,343.64/7,817,929.82 = 3,217,947.12/x
  3. Step 3: Cross multiply
    5,665,343.64x = 7,817,929.82 × 3,217,947.12
  4. Step 4: Simplify right side
    5,665,343.64x = 25,157,684,748,631.12
  5. Step 5: Solve for x
    x = 25,157,684,748,631.12/5,665,343.64
  6. Step 6: Final answer
    x = 4,440,628.20

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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.