Home / 1,618,294.20-2,425,367.70-1,439,964.60

Finding the Fourth Proportional to 1,618,294.20, 2,425,367.70 and 1,439,964.60

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Solution

The fourth proportional to 1,618,294.20, 2,425,367.70 and 1,439,964.60 is: 2,158,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,294.20 : 2,425,367.70 = 1,439,964.60 : x
  2. Step 2: Convert to fraction form
    1,618,294.20/2,425,367.70 = 1,439,964.60/x
  3. Step 3: Cross multiply
    1,618,294.20x = 2,425,367.70 × 1,439,964.60
  4. Step 4: Simplify right side
    1,618,294.20x = 3,492,443,629,983.42
  5. Step 5: Solve for x
    x = 3,492,443,629,983.42/1,618,294.20
  6. Step 6: Final answer
    x = 2,158,101.80

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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.