Home / 1,995,780.10-2,993,670.15-930,929.80

Finding the Fourth Proportional to 1,995,780.10, 2,993,670.15 and 930,929.80

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Solution

The fourth proportional to 1,995,780.10, 2,993,670.15 and 930,929.80 is: 1,396,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,780.10 : 2,993,670.15 = 930,929.80 : x
  2. Step 2: Convert to fraction form
    1,995,780.10/2,993,670.15 = 930,929.80/x
  3. Step 3: Cross multiply
    1,995,780.10x = 2,993,670.15 × 930,929.80
  4. Step 4: Simplify right side
    1,995,780.10x = 2,786,896,754,005.47
  5. Step 5: Solve for x
    x = 2,786,896,754,005.47/1,995,780.10
  6. Step 6: Final answer
    x = 1,396,394.70

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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.