Home / 2,815,160.65-3,888,149.78-1,852,587.83

Finding the Fourth Proportional to 2,815,160.65, 3,888,149.78 and 1,852,587.83

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Solution

The fourth proportional to 2,815,160.65, 3,888,149.78 and 1,852,587.83 is: 2,558,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,160.65 : 3,888,149.78 = 1,852,587.83 : x
  2. Step 2: Convert to fraction form
    2,815,160.65/3,888,149.78 = 1,852,587.83/x
  3. Step 3: Cross multiply
    2,815,160.65x = 3,888,149.78 × 1,852,587.83
  4. Step 4: Simplify right side
    2,815,160.65x = 7,203,138,963,645.18
  5. Step 5: Solve for x
    x = 7,203,138,963,645.18/2,815,160.65
  6. Step 6: Final answer
    x = 2,558,695.53

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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.