Home / 3,658,139.28-5,048,282.88-2,109,373.92

Finding the Fourth Proportional to 3,658,139.28, 5,048,282.88 and 2,109,373.92

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Solution

The fourth proportional to 3,658,139.28, 5,048,282.88 and 2,109,373.92 is: 2,910,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,139.28 : 5,048,282.88 = 2,109,373.92 : x
  2. Step 2: Convert to fraction form
    3,658,139.28/5,048,282.88 = 2,109,373.92/x
  3. Step 3: Cross multiply
    3,658,139.28x = 5,048,282.88 × 2,109,373.92
  4. Step 4: Simplify right side
    3,658,139.28x = 10,648,716,247,854.49
  5. Step 5: Solve for x
    x = 10,648,716,247,854.49/3,658,139.28
  6. Step 6: Final answer
    x = 2,910,965.23

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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.