Home / 1,929,979.52-2,663,308.16-1,165,899.52

Finding the Fourth Proportional to 1,929,979.52, 2,663,308.16 and 1,165,899.52

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Solution

The fourth proportional to 1,929,979.52, 2,663,308.16 and 1,165,899.52 is: 1,608,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,979.52 : 2,663,308.16 = 1,165,899.52 : x
  2. Step 2: Convert to fraction form
    1,929,979.52/2,663,308.16 = 1,165,899.52/x
  3. Step 3: Cross multiply
    1,929,979.52x = 2,663,308.16 × 1,165,899.52
  4. Step 4: Simplify right side
    1,929,979.52x = 3,105,149,705,356.08
  5. Step 5: Solve for x
    x = 3,105,149,705,356.08/1,929,979.52
  6. Step 6: Final answer
    x = 1,608,902.93

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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.