Home / 2,628,851.76-3,943,421.16-831,601.59

Finding the Fourth Proportional to 2,628,851.76, 3,943,421.16 and 831,601.59

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Solution

The fourth proportional to 2,628,851.76, 3,943,421.16 and 831,601.59 is: 1,247,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,851.76 : 3,943,421.16 = 831,601.59 : x
  2. Step 2: Convert to fraction form
    2,628,851.76/3,943,421.16 = 831,601.59/x
  3. Step 3: Cross multiply
    2,628,851.76x = 3,943,421.16 × 831,601.59
  4. Step 4: Simplify right side
    2,628,851.76x = 3,279,355,306,695.64
  5. Step 5: Solve for x
    x = 3,279,355,306,695.64/2,628,851.76
  6. Step 6: Final answer
    x = 1,247,447.79

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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.