Home / 2,101,846.40-3,155,102.40-1,304,028.80

Finding the Fourth Proportional to 2,101,846.40, 3,155,102.40 and 1,304,028.80

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Solution

The fourth proportional to 2,101,846.40, 3,155,102.40 and 1,304,028.80 is: 1,957,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,846.40 : 3,155,102.40 = 1,304,028.80 : x
  2. Step 2: Convert to fraction form
    2,101,846.40/3,155,102.40 = 1,304,028.80/x
  3. Step 3: Cross multiply
    2,101,846.40x = 3,155,102.40 × 1,304,028.80
  4. Step 4: Simplify right side
    2,101,846.40x = 4,114,344,396,549.12
  5. Step 5: Solve for x
    x = 4,114,344,396,549.12/2,101,846.40
  6. Step 6: Final answer
    x = 1,957,490.52

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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.