Home / 2,617,639.20-3,926,458.80-1,609,869.60

Finding the Fourth Proportional to 2,617,639.20, 3,926,458.80 and 1,609,869.60

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Solution

The fourth proportional to 2,617,639.20, 3,926,458.80 and 1,609,869.60 is: 2,414,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,639.20 : 3,926,458.80 = 1,609,869.60 : x
  2. Step 2: Convert to fraction form
    2,617,639.20/3,926,458.80 = 1,609,869.60/x
  3. Step 3: Cross multiply
    2,617,639.20x = 3,926,458.80 × 1,609,869.60
  4. Step 4: Simplify right side
    2,617,639.20x = 6,321,086,657,772.48
  5. Step 5: Solve for x
    x = 6,321,086,657,772.48/2,617,639.20
  6. Step 6: Final answer
    x = 2,414,804.40

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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.