Home / 1,930,489.61-2,663,959.79-1,070,998.61

Finding the Fourth Proportional to 1,930,489.61, 2,663,959.79 and 1,070,998.61

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Solution

The fourth proportional to 1,930,489.61, 2,663,959.79 and 1,070,998.61 is: 1,477,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,489.61 : 2,663,959.79 = 1,070,998.61 : x
  2. Step 2: Convert to fraction form
    1,930,489.61/2,663,959.79 = 1,070,998.61/x
  3. Step 3: Cross multiply
    1,930,489.61x = 2,663,959.79 × 1,070,998.61
  4. Step 4: Simplify right side
    1,930,489.61x = 2,853,097,221,543.59
  5. Step 5: Solve for x
    x = 2,853,097,221,543.59/1,930,489.61
  6. Step 6: Final answer
    x = 1,477,913.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.