Home / 2,172,261.60-3,258,781.20-910,216.80

Finding the Fourth Proportional to 2,172,261.60, 3,258,781.20 and 910,216.80

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Solution

The fourth proportional to 2,172,261.60, 3,258,781.20 and 910,216.80 is: 1,365,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,261.60 : 3,258,781.20 = 910,216.80 : x
  2. Step 2: Convert to fraction form
    2,172,261.60/3,258,781.20 = 910,216.80/x
  3. Step 3: Cross multiply
    2,172,261.60x = 3,258,781.20 × 910,216.80
  4. Step 4: Simplify right side
    2,172,261.60x = 2,966,197,395,764.16
  5. Step 5: Solve for x
    x = 2,966,197,395,764.16/2,172,261.60
  6. Step 6: Final answer
    x = 1,365,488.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.