Home / 2,790,874.34-4,180,706.36-1,272,468.59

Finding the Fourth Proportional to 2,790,874.34, 4,180,706.36 and 1,272,468.59

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Solution

The fourth proportional to 2,790,874.34, 4,180,706.36 and 1,272,468.59 is: 1,906,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,874.34 : 4,180,706.36 = 1,272,468.59 : x
  2. Step 2: Convert to fraction form
    2,790,874.34/4,180,706.36 = 1,272,468.59/x
  3. Step 3: Cross multiply
    2,790,874.34x = 4,180,706.36 × 1,272,468.59
  4. Step 4: Simplify right side
    2,790,874.34x = 5,319,817,520,296.76
  5. Step 5: Solve for x
    x = 5,319,817,520,296.76/2,790,874.34
  6. Step 6: Final answer
    x = 1,906,147.28

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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.