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Finding the Fourth Proportional to 1,829,601.60, 2,744,839.80 and 882,193.20

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Solution

The fourth proportional to 1,829,601.60, 2,744,839.80 and 882,193.20 is: 1,323,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,601.60 : 2,744,839.80 = 882,193.20 : x
  2. Step 2: Convert to fraction form
    1,829,601.60/2,744,839.80 = 882,193.20/x
  3. Step 3: Cross multiply
    1,829,601.60x = 2,744,839.80 × 882,193.20
  4. Step 4: Simplify right side
    1,829,601.60x = 2,421,479,006,649.36
  5. Step 5: Solve for x
    x = 2,421,479,006,649.36/1,829,601.60
  6. Step 6: Final answer
    x = 1,323,500.70

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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.