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Finding the Fourth Proportional to 5,292,865.86, 7,301,461.82 and 3,458,396.56

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Solution

The fourth proportional to 5,292,865.86, 7,301,461.82 and 3,458,396.56 is: 4,770,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292,865.86 : 7,301,461.82 = 3,458,396.56 : x
  2. Step 2: Convert to fraction form
    5,292,865.86/7,301,461.82 = 3,458,396.56/x
  3. Step 3: Cross multiply
    5,292,865.86x = 7,301,461.82 × 3,458,396.56
  4. Step 4: Simplify right side
    5,292,865.86x = 25,251,350,441,259.34
  5. Step 5: Solve for x
    x = 25,251,350,441,259.34/5,292,865.86
  6. Step 6: Final answer
    x = 4,770,827.58

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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.