Home / 2,221,219.80-3,331,829.70-538,323.30

Finding the Fourth Proportional to 2,221,219.80, 3,331,829.70 and 538,323.30

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Solution

The fourth proportional to 2,221,219.80, 3,331,829.70 and 538,323.30 is: 807,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,219.80 : 3,331,829.70 = 538,323.30 : x
  2. Step 2: Convert to fraction form
    2,221,219.80/3,331,829.70 = 538,323.30/x
  3. Step 3: Cross multiply
    2,221,219.80x = 3,331,829.70 × 538,323.30
  4. Step 4: Simplify right side
    2,221,219.80x = 1,793,601,559,142.01
  5. Step 5: Solve for x
    x = 1,793,601,559,142.01/2,221,219.80
  6. Step 6: Final answer
    x = 807,484.95

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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.