Home / 1,659,106.20-2,488,659.30-1,490,816.55

Finding the Fourth Proportional to 1,659,106.20, 2,488,659.30 and 1,490,816.55

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Solution

The fourth proportional to 1,659,106.20, 2,488,659.30 and 1,490,816.55 is: 2,236,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,106.20 : 2,488,659.30 = 1,490,816.55 : x
  2. Step 2: Convert to fraction form
    1,659,106.20/2,488,659.30 = 1,490,816.55/x
  3. Step 3: Cross multiply
    1,659,106.20x = 2,488,659.30 × 1,490,816.55
  4. Step 4: Simplify right side
    1,659,106.20x = 3,710,134,471,751.42
  5. Step 5: Solve for x
    x = 3,710,134,471,751.42/1,659,106.20
  6. Step 6: Final answer
    x = 2,236,224.83

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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.