Home / 2,912,287.40-4,367,394.30-1,315,615.40

Finding the Fourth Proportional to 2,912,287.40, 4,367,394.30 and 1,315,615.40

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Solution

The fourth proportional to 2,912,287.40, 4,367,394.30 and 1,315,615.40 is: 1,972,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,287.40 : 4,367,394.30 = 1,315,615.40 : x
  2. Step 2: Convert to fraction form
    2,912,287.40/4,367,394.30 = 1,315,615.40/x
  3. Step 3: Cross multiply
    2,912,287.40x = 4,367,394.30 × 1,315,615.40
  4. Step 4: Simplify right side
    2,912,287.40x = 5,745,811,198,952.22
  5. Step 5: Solve for x
    x = 5,745,811,198,952.22/2,912,287.40
  6. Step 6: Final answer
    x = 1,972,954.73

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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.