Home / 2,912,330.40-4,367,458.80-1,315,658.40

Finding the Fourth Proportional to 2,912,330.40, 4,367,458.80 and 1,315,658.40

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Solution

The fourth proportional to 2,912,330.40, 4,367,458.80 and 1,315,658.40 is: 1,973,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,330.40 : 4,367,458.80 = 1,315,658.40 : x
  2. Step 2: Convert to fraction form
    2,912,330.40/4,367,458.80 = 1,315,658.40/x
  3. Step 3: Cross multiply
    2,912,330.40x = 4,367,458.80 × 1,315,658.40
  4. Step 4: Simplify right side
    2,912,330.40x = 5,746,083,856,873.92
  5. Step 5: Solve for x
    x = 5,746,083,856,873.92/2,912,330.40
  6. Step 6: Final answer
    x = 1,973,019.22

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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.