Home / 1,815,966.20-2,506,147.10-1,000,169.71

Finding the Fourth Proportional to 1,815,966.20, 2,506,147.10 and 1,000,169.71

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Solution

The fourth proportional to 1,815,966.20, 2,506,147.10 and 1,000,169.71 is: 1,380,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,966.20 : 2,506,147.10 = 1,000,169.71 : x
  2. Step 2: Convert to fraction form
    1,815,966.20/2,506,147.10 = 1,000,169.71/x
  3. Step 3: Cross multiply
    1,815,966.20x = 2,506,147.10 × 1,000,169.71
  4. Step 4: Simplify right side
    1,815,966.20x = 2,506,572,410,708.76
  5. Step 5: Solve for x
    x = 2,506,572,410,708.76/1,815,966.20
  6. Step 6: Final answer
    x = 1,380,296.84

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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.