Home / 2,171,875.20-3,257,812.80-2,079,729.60

Finding the Fourth Proportional to 2,171,875.20, 3,257,812.80 and 2,079,729.60

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Solution

The fourth proportional to 2,171,875.20, 3,257,812.80 and 2,079,729.60 is: 3,119,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,875.20 : 3,257,812.80 = 2,079,729.60 : x
  2. Step 2: Convert to fraction form
    2,171,875.20/3,257,812.80 = 2,079,729.60/x
  3. Step 3: Cross multiply
    2,171,875.20x = 3,257,812.80 × 2,079,729.60
  4. Step 4: Simplify right side
    2,171,875.20x = 6,775,369,711,418.88
  5. Step 5: Solve for x
    x = 6,775,369,711,418.88/2,171,875.20
  6. Step 6: Final answer
    x = 3,119,594.40

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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.