Home / 3,280,877.80-4,922,007.90-1,386,644.20

Finding the Fourth Proportional to 3,280,877.80, 4,922,007.90 and 1,386,644.20

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Solution

The fourth proportional to 3,280,877.80, 4,922,007.90 and 1,386,644.20 is: 2,080,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,877.80 : 4,922,007.90 = 1,386,644.20 : x
  2. Step 2: Convert to fraction form
    3,280,877.80/4,922,007.90 = 1,386,644.20/x
  3. Step 3: Cross multiply
    3,280,877.80x = 4,922,007.90 × 1,386,644.20
  4. Step 4: Simplify right side
    3,280,877.80x = 6,825,073,706,889.18
  5. Step 5: Solve for x
    x = 6,825,073,706,889.18/3,280,877.80
  6. Step 6: Final answer
    x = 2,080,258.43

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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.