Home / 1,995,005.40-2,992,508.10-1,197,187.80

Finding the Fourth Proportional to 1,995,005.40, 2,992,508.10 and 1,197,187.80

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Solution

The fourth proportional to 1,995,005.40, 2,992,508.10 and 1,197,187.80 is: 1,795,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,005.40 : 2,992,508.10 = 1,197,187.80 : x
  2. Step 2: Convert to fraction form
    1,995,005.40/2,992,508.10 = 1,197,187.80/x
  3. Step 3: Cross multiply
    1,995,005.40x = 2,992,508.10 × 1,197,187.80
  4. Step 4: Simplify right side
    1,995,005.40x = 3,582,594,188,721.18
  5. Step 5: Solve for x
    x = 3,582,594,188,721.18/1,995,005.40
  6. Step 6: Final answer
    x = 1,795,781.70

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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.