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Finding the Fourth Proportional to 5,793,886.80, 8,692,903.80 and 2,429,125.20

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Solution

The fourth proportional to 5,793,886.80, 8,692,903.80 and 2,429,125.20 is: 3,644,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793,886.80 : 8,692,903.80 = 2,429,125.20 : x
  2. Step 2: Convert to fraction form
    5,793,886.80/8,692,903.80 = 2,429,125.20/x
  3. Step 3: Cross multiply
    5,793,886.80x = 8,692,903.80 × 2,429,125.20
  4. Step 4: Simplify right side
    5,793,886.80x = 21,116,151,681,755.76
  5. Step 5: Solve for x
    x = 21,116,151,681,755.76/5,793,886.80
  6. Step 6: Final answer
    x = 3,644,557.17

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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.