Home / 5,656,311.28-7,805,873.82-3,078,158.32

Finding the Fourth Proportional to 5,656,311.28, 7,805,873.82 and 3,078,158.32

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Solution

The fourth proportional to 5,656,311.28, 7,805,873.82 and 3,078,158.32 is: 4,247,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,311.28 : 7,805,873.82 = 3,078,158.32 : x
  2. Step 2: Convert to fraction form
    5,656,311.28/7,805,873.82 = 3,078,158.32/x
  3. Step 3: Cross multiply
    5,656,311.28x = 7,805,873.82 × 3,078,158.32
  4. Step 4: Simplify right side
    5,656,311.28x = 24,027,715,443,903.18
  5. Step 5: Solve for x
    x = 24,027,715,443,903.18/5,656,311.28
  6. Step 6: Final answer
    x = 4,247,947.87

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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.