Home / 2,810,078.29-3,878,001.93-1,722,139.66

Finding the Fourth Proportional to 2,810,078.29, 3,878,001.93 and 1,722,139.66

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Solution

The fourth proportional to 2,810,078.29, 3,878,001.93 and 1,722,139.66 is: 2,376,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,078.29 : 3,878,001.93 = 1,722,139.66 : x
  2. Step 2: Convert to fraction form
    2,810,078.29/3,878,001.93 = 1,722,139.66/x
  3. Step 3: Cross multiply
    2,810,078.29x = 3,878,001.93 × 1,722,139.66
  4. Step 4: Simplify right side
    2,810,078.29x = 6,678,460,925,209.54
  5. Step 5: Solve for x
    x = 6,678,460,925,209.54/2,810,078.29
  6. Step 6: Final answer
    x = 2,376,610.27

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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.