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Finding the Fourth Proportional to 6,500,454.71, 9,748,381.95 and 1,888,481.39

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Solution

The fourth proportional to 6,500,454.71, 9,748,381.95 and 1,888,481.39 is: 2,832,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,500,454.71 : 9,748,381.95 = 1,888,481.39 : x
  2. Step 2: Convert to fraction form
    6,500,454.71/9,748,381.95 = 1,888,481.39/x
  3. Step 3: Cross multiply
    6,500,454.71x = 9,748,381.95 × 1,888,481.39
  4. Step 4: Simplify right side
    6,500,454.71x = 18,409,637,846,445
  5. Step 5: Solve for x
    x = 18,409,637,846,445/6,500,454.71
  6. Step 6: Final answer
    x = 2,832,053.86

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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.