Home / 2,142,032.80-3,213,049.20-943,338.10

Finding the Fourth Proportional to 2,142,032.80, 3,213,049.20 and 943,338.10

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Solution

The fourth proportional to 2,142,032.80, 3,213,049.20 and 943,338.10 is: 1,415,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,032.80 : 3,213,049.20 = 943,338.10 : x
  2. Step 2: Convert to fraction form
    2,142,032.80/3,213,049.20 = 943,338.10/x
  3. Step 3: Cross multiply
    2,142,032.80x = 3,213,049.20 × 943,338.10
  4. Step 4: Simplify right side
    2,142,032.80x = 3,030,991,727,534.52
  5. Step 5: Solve for x
    x = 3,030,991,727,534.52/2,142,032.80
  6. Step 6: Final answer
    x = 1,415,007.15

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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.