Home / 1,659,920.10-2,487,911.85-1,490,646.30

Finding the Fourth Proportional to 1,659,920.10, 2,487,911.85 and 1,490,646.30

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Solution

The fourth proportional to 1,659,920.10, 2,487,911.85 and 1,490,646.30 is: 2,234,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,920.10 : 2,487,911.85 = 1,490,646.30 : x
  2. Step 2: Convert to fraction form
    1,659,920.10/2,487,911.85 = 1,490,646.30/x
  3. Step 3: Cross multiply
    1,659,920.10x = 2,487,911.85 × 1,490,646.30
  4. Step 4: Simplify right side
    1,659,920.10x = 3,708,596,593,928.66
  5. Step 5: Solve for x
    x = 3,708,596,593,928.66/1,659,920.10
  6. Step 6: Final answer
    x = 2,234,201.87

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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.