Home / 2,791,642.80-4,168,553.52-2,216,571.12

Finding the Fourth Proportional to 2,791,642.80, 4,168,553.52 and 2,216,571.12

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Solution

The fourth proportional to 2,791,642.80, 4,168,553.52 and 2,216,571.12 is: 3,309,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,642.80 : 4,168,553.52 = 2,216,571.12 : x
  2. Step 2: Convert to fraction form
    2,791,642.80/4,168,553.52 = 2,216,571.12/x
  3. Step 3: Cross multiply
    2,791,642.80x = 4,168,553.52 × 2,216,571.12
  4. Step 4: Simplify right side
    2,791,642.80x = 9,239,895,344,606.34
  5. Step 5: Solve for x
    x = 9,239,895,344,606.34/2,791,642.80
  6. Step 6: Final answer
    x = 3,309,841.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.