Home / 2,689,719.62-3,711,780.40-1,466,021.38

Finding the Fourth Proportional to 2,689,719.62, 3,711,780.40 and 1,466,021.38

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Solution

The fourth proportional to 2,689,719.62, 3,711,780.40 and 1,466,021.38 is: 2,023,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,719.62 : 3,711,780.40 = 1,466,021.38 : x
  2. Step 2: Convert to fraction form
    2,689,719.62/3,711,780.40 = 1,466,021.38/x
  3. Step 3: Cross multiply
    2,689,719.62x = 3,711,780.40 × 1,466,021.38
  4. Step 4: Simplify right side
    2,689,719.62x = 5,441,549,421,028.83
  5. Step 5: Solve for x
    x = 5,441,549,421,028.83/2,689,719.62
  6. Step 6: Final answer
    x = 2,023,091.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.