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Finding the Fourth Proportional to 5,652,754.86, 7,799,041.35 and 3,205,173.81

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Solution

The fourth proportional to 5,652,754.86, 7,799,041.35 and 3,205,173.81 is: 4,422,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652,754.86 : 7,799,041.35 = 3,205,173.81 : x
  2. Step 2: Convert to fraction form
    5,652,754.86/7,799,041.35 = 3,205,173.81/x
  3. Step 3: Cross multiply
    5,652,754.86x = 7,799,041.35 × 3,205,173.81
  4. Step 4: Simplify right side
    5,652,754.86x = 24,997,283,078,127.04
  5. Step 5: Solve for x
    x = 24,997,283,078,127.04/5,652,754.86
  6. Step 6: Final answer
    x = 4,422,141.72

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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.