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Finding the Fourth Proportional to 6,402,829.73, 9,599,978.32 and 3,525,551.46

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Solution

The fourth proportional to 6,402,829.73, 9,599,978.32 and 3,525,551.46 is: 5,285,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,829.73 : 9,599,978.32 = 3,525,551.46 : x
  2. Step 2: Convert to fraction form
    6,402,829.73/9,599,978.32 = 3,525,551.46/x
  3. Step 3: Cross multiply
    6,402,829.73x = 9,599,978.32 × 3,525,551.46
  4. Step 4: Simplify right side
    6,402,829.73x = 33,845,217,573,230.47
  5. Step 5: Solve for x
    x = 33,845,217,573,230.47/6,402,829.73
  6. Step 6: Final answer
    x = 5,285,978.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.