Home / 2,485,358.76-3,728,000.68-1,118,166.95

Finding the Fourth Proportional to 2,485,358.76, 3,728,000.68 and 1,118,166.95

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Solution

The fourth proportional to 2,485,358.76, 3,728,000.68 and 1,118,166.95 is: 1,677,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,358.76 : 3,728,000.68 = 1,118,166.95 : x
  2. Step 2: Convert to fraction form
    2,485,358.76/3,728,000.68 = 1,118,166.95/x
  3. Step 3: Cross multiply
    2,485,358.76x = 3,728,000.68 × 1,118,166.95
  4. Step 4: Simplify right side
    2,485,358.76x = 4,168,527,142,498.11
  5. Step 5: Solve for x
    x = 4,168,527,142,498.11/2,485,358.76
  6. Step 6: Final answer
    x = 1,677,233.57

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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.