Home / 2,810,518.92-3,878,290.19-1,587,122.06

Finding the Fourth Proportional to 2,810,518.92, 3,878,290.19 and 1,587,122.06

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Solution

The fourth proportional to 2,810,518.92, 3,878,290.19 and 1,587,122.06 is: 2,190,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,518.92 : 3,878,290.19 = 1,587,122.06 : x
  2. Step 2: Convert to fraction form
    2,810,518.92/3,878,290.19 = 1,587,122.06/x
  3. Step 3: Cross multiply
    2,810,518.92x = 3,878,290.19 × 1,587,122.06
  4. Step 4: Simplify right side
    2,810,518.92x = 6,155,319,900,206.95
  5. Step 5: Solve for x
    x = 6,155,319,900,206.95/2,810,518.92
  6. Step 6: Final answer
    x = 2,190,100.86

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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.