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Finding the Fourth Proportional to 1,597,946.20, 2,393,808.90 and 964,979.80

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Solution

The fourth proportional to 1,597,946.20, 2,393,808.90 and 964,979.80 is: 1,445,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597,946.20 : 2,393,808.90 = 964,979.80 : x
  2. Step 2: Convert to fraction form
    1,597,946.20/2,393,808.90 = 964,979.80/x
  3. Step 3: Cross multiply
    1,597,946.20x = 2,393,808.90 × 964,979.80
  4. Step 4: Simplify right side
    1,597,946.20x = 2,309,977,233,560.22
  5. Step 5: Solve for x
    x = 2,309,977,233,560.22/1,597,946.20
  6. Step 6: Final answer
    x = 1,445,591.37

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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.