Home / 2,912,272.40-4,367,371.80-1,315,600.40

Finding the Fourth Proportional to 2,912,272.40, 4,367,371.80 and 1,315,600.40

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Solution

The fourth proportional to 2,912,272.40, 4,367,371.80 and 1,315,600.40 is: 1,972,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,272.40 : 4,367,371.80 = 1,315,600.40 : x
  2. Step 2: Convert to fraction form
    2,912,272.40/4,367,371.80 = 1,315,600.40/x
  3. Step 3: Cross multiply
    2,912,272.40x = 4,367,371.80 × 1,315,600.40
  4. Step 4: Simplify right side
    2,912,272.40x = 5,745,716,087,028.72
  5. Step 5: Solve for x
    x = 5,745,716,087,028.72/2,912,272.40
  6. Step 6: Final answer
    x = 1,972,932.23

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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.