Home / 3,876,061.12-5,348,964.35-2,157,587.60

Finding the Fourth Proportional to 3,876,061.12, 5,348,964.35 and 2,157,587.60

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Solution

The fourth proportional to 3,876,061.12, 5,348,964.35 and 2,157,587.60 is: 2,977,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,061.12 : 5,348,964.35 = 2,157,587.60 : x
  2. Step 2: Convert to fraction form
    3,876,061.12/5,348,964.35 = 2,157,587.60/x
  3. Step 3: Cross multiply
    3,876,061.12x = 5,348,964.35 × 2,157,587.60
  4. Step 4: Simplify right side
    3,876,061.12x = 11,540,859,133,051.21
  5. Step 5: Solve for x
    x = 11,540,859,133,051.21/3,876,061.12
  6. Step 6: Final answer
    x = 2,977,470.89

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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.