Home / 2,912,167.80-4,367,474.10-890,407.80

Finding the Fourth Proportional to 2,912,167.80, 4,367,474.10 and 890,407.80

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Solution

The fourth proportional to 2,912,167.80, 4,367,474.10 and 890,407.80 is: 1,335,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,167.80 : 4,367,474.10 = 890,407.80 : x
  2. Step 2: Convert to fraction form
    2,912,167.80/4,367,474.10 = 890,407.80/x
  3. Step 3: Cross multiply
    2,912,167.80x = 4,367,474.10 × 890,407.80
  4. Step 4: Simplify right side
    2,912,167.80x = 3,888,833,004,937.98
  5. Step 5: Solve for x
    x = 3,888,833,004,937.98/2,912,167.80
  6. Step 6: Final answer
    x = 1,335,373.95

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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.