Home / 2,753,653.45-4,128,876.38-1,068,788.65

Finding the Fourth Proportional to 2,753,653.45, 4,128,876.38 and 1,068,788.65

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Solution

The fourth proportional to 2,753,653.45, 4,128,876.38 and 1,068,788.65 is: 1,602,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,653.45 : 4,128,876.38 = 1,068,788.65 : x
  2. Step 2: Convert to fraction form
    2,753,653.45/4,128,876.38 = 1,068,788.65/x
  3. Step 3: Cross multiply
    2,753,653.45x = 4,128,876.38 × 1,068,788.65
  4. Step 4: Simplify right side
    2,753,653.45x = 4,412,896,206,853.14
  5. Step 5: Solve for x
    x = 4,412,896,206,853.14/2,753,653.45
  6. Step 6: Final answer
    x = 1,602,560.48

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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.