Home / 1,818,498.80-2,727,748.20-1,188,124.40

Finding the Fourth Proportional to 1,818,498.80, 2,727,748.20 and 1,188,124.40

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Solution

The fourth proportional to 1,818,498.80, 2,727,748.20 and 1,188,124.40 is: 1,782,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,498.80 : 2,727,748.20 = 1,188,124.40 : x
  2. Step 2: Convert to fraction form
    1,818,498.80/2,727,748.20 = 1,188,124.40/x
  3. Step 3: Cross multiply
    1,818,498.80x = 2,727,748.20 × 1,188,124.40
  4. Step 4: Simplify right side
    1,818,498.80x = 3,240,904,193,476.08
  5. Step 5: Solve for x
    x = 3,240,904,193,476.08/1,818,498.80
  6. Step 6: Final answer
    x = 1,782,186.60

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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.