Home / 2,877,203.92-3,970,258.55-1,587,961.20

Finding the Fourth Proportional to 2,877,203.92, 3,970,258.55 and 1,587,961.20

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Solution

The fourth proportional to 2,877,203.92, 3,970,258.55 and 1,587,961.20 is: 2,191,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,203.92 : 3,970,258.55 = 1,587,961.20 : x
  2. Step 2: Convert to fraction form
    2,877,203.92/3,970,258.55 = 1,587,961.20/x
  3. Step 3: Cross multiply
    2,877,203.92x = 3,970,258.55 × 1,587,961.20
  4. Step 4: Simplify right side
    2,877,203.92x = 6,304,616,531,368.26
  5. Step 5: Solve for x
    x = 6,304,616,531,368.26/2,877,203.92
  6. Step 6: Final answer
    x = 2,191,230.34

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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.