Home / 1,660,064.10-2,488,127.85-1,490,790.30

Finding the Fourth Proportional to 1,660,064.10, 2,488,127.85 and 1,490,790.30

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Solution

The fourth proportional to 1,660,064.10, 2,488,127.85 and 1,490,790.30 is: 2,234,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,064.10 : 2,488,127.85 = 1,490,790.30 : x
  2. Step 2: Convert to fraction form
    1,660,064.10/2,488,127.85 = 1,490,790.30/x
  3. Step 3: Cross multiply
    1,660,064.10x = 2,488,127.85 × 1,490,790.30
  4. Step 4: Simplify right side
    1,660,064.10x = 3,709,276,863,939.86
  5. Step 5: Solve for x
    x = 3,709,276,863,939.86/1,660,064.10
  6. Step 6: Final answer
    x = 2,234,417.85

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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.