Home / 2,690,629.60-4,033,935.60-1,625,447.20

Finding the Fourth Proportional to 2,690,629.60, 4,033,935.60 and 1,625,447.20

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Solution

The fourth proportional to 2,690,629.60, 4,033,935.60 and 1,625,447.20 is: 2,436,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,629.60 : 4,033,935.60 = 1,625,447.20 : x
  2. Step 2: Convert to fraction form
    2,690,629.60/4,033,935.60 = 1,625,447.20/x
  3. Step 3: Cross multiply
    2,690,629.60x = 4,033,935.60 × 1,625,447.20
  4. Step 4: Simplify right side
    2,690,629.60x = 6,556,949,326,000.32
  5. Step 5: Solve for x
    x = 6,556,949,326,000.32/2,690,629.60
  6. Step 6: Final answer
    x = 2,436,957.26

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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.