Home / 5,656,320.40-7,805,886.24-3,078,167.44

Finding the Fourth Proportional to 5,656,320.40, 7,805,886.24 and 3,078,167.44

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Solution

The fourth proportional to 5,656,320.40, 7,805,886.24 and 3,078,167.44 is: 4,247,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656,320.40 : 7,805,886.24 = 3,078,167.44 : x
  2. Step 2: Convert to fraction form
    5,656,320.40/7,805,886.24 = 3,078,167.44/x
  3. Step 3: Cross multiply
    5,656,320.40x = 7,805,886.24 × 3,078,167.44
  4. Step 4: Simplify right side
    5,656,320.40x = 24,027,824,864,312.03
  5. Step 5: Solve for x
    x = 24,027,824,864,312.03/5,656,320.40
  6. Step 6: Final answer
    x = 4,247,960.36

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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.