Home / 2,143,908.80-3,215,863.20-546,468.80

Finding the Fourth Proportional to 2,143,908.80, 3,215,863.20 and 546,468.80

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Solution

The fourth proportional to 2,143,908.80, 3,215,863.20 and 546,468.80 is: 819,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,908.80 : 3,215,863.20 = 546,468.80 : x
  2. Step 2: Convert to fraction form
    2,143,908.80/3,215,863.20 = 546,468.80/x
  3. Step 3: Cross multiply
    2,143,908.80x = 3,215,863.20 × 546,468.80
  4. Step 4: Simplify right side
    2,143,908.80x = 1,757,368,903,868.16
  5. Step 5: Solve for x
    x = 1,757,368,903,868.16/2,143,908.80
  6. Step 6: Final answer
    x = 819,703.20

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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.