Home / 2,912,470.46-4,019,227.92-1,623,392.60

Finding the Fourth Proportional to 2,912,470.46, 4,019,227.92 and 1,623,392.60

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Solution

The fourth proportional to 2,912,470.46, 4,019,227.92 and 1,623,392.60 is: 2,240,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,470.46 : 4,019,227.92 = 1,623,392.60 : x
  2. Step 2: Convert to fraction form
    2,912,470.46/4,019,227.92 = 1,623,392.60/x
  3. Step 3: Cross multiply
    2,912,470.46x = 4,019,227.92 × 1,623,392.60
  4. Step 4: Simplify right side
    2,912,470.46x = 6,524,784,863,041.39
  5. Step 5: Solve for x
    x = 6,524,784,863,041.39/2,912,470.46
  6. Step 6: Final answer
    x = 2,240,292.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.