Home / 2,669,141.70-3,998,269.35-1,655,151.30

Finding the Fourth Proportional to 2,669,141.70, 3,998,269.35 and 1,655,151.30

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Solution

The fourth proportional to 2,669,141.70, 3,998,269.35 and 1,655,151.30 is: 2,479,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,141.70 : 3,998,269.35 = 1,655,151.30 : x
  2. Step 2: Convert to fraction form
    2,669,141.70/3,998,269.35 = 1,655,151.30/x
  3. Step 3: Cross multiply
    2,669,141.70x = 3,998,269.35 × 1,655,151.30
  4. Step 4: Simplify right side
    2,669,141.70x = 6,617,740,712,402.66
  5. Step 5: Solve for x
    x = 6,617,740,712,402.66/2,669,141.70
  6. Step 6: Final answer
    x = 2,479,351.59

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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.