Home / 2,689,400.90-4,034,101.35-1,006,415.30

Finding the Fourth Proportional to 2,689,400.90, 4,034,101.35 and 1,006,415.30

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Solution

The fourth proportional to 2,689,400.90, 4,034,101.35 and 1,006,415.30 is: 1,509,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,400.90 : 4,034,101.35 = 1,006,415.30 : x
  2. Step 2: Convert to fraction form
    2,689,400.90/4,034,101.35 = 1,006,415.30/x
  3. Step 3: Cross multiply
    2,689,400.90x = 4,034,101.35 × 1,006,415.30
  4. Step 4: Simplify right side
    2,689,400.90x = 4,059,981,320,390.66
  5. Step 5: Solve for x
    x = 4,059,981,320,390.66/2,689,400.90
  6. Step 6: Final answer
    x = 1,509,622.95

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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.