Home / 2,472,292.80-3,708,439.20-1,911,729.60

Finding the Fourth Proportional to 2,472,292.80, 3,708,439.20 and 1,911,729.60

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Solution

The fourth proportional to 2,472,292.80, 3,708,439.20 and 1,911,729.60 is: 2,867,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472,292.80 : 3,708,439.20 = 1,911,729.60 : x
  2. Step 2: Convert to fraction form
    2,472,292.80/3,708,439.20 = 1,911,729.60/x
  3. Step 3: Cross multiply
    2,472,292.80x = 3,708,439.20 × 1,911,729.60
  4. Step 4: Simplify right side
    2,472,292.80x = 7,089,532,988,440.32
  5. Step 5: Solve for x
    x = 7,089,532,988,440.32/2,472,292.80
  6. Step 6: Final answer
    x = 2,867,594.40

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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.