Home / 3,985,725.60-5,978,005.20-1,145,541.60

Finding the Fourth Proportional to 3,985,725.60, 5,978,005.20 and 1,145,541.60

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Solution

The fourth proportional to 3,985,725.60, 5,978,005.20 and 1,145,541.60 is: 1,718,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,725.60 : 5,978,005.20 = 1,145,541.60 : x
  2. Step 2: Convert to fraction form
    3,985,725.60/5,978,005.20 = 1,145,541.60/x
  3. Step 3: Cross multiply
    3,985,725.60x = 5,978,005.20 × 1,145,541.60
  4. Step 4: Simplify right side
    3,985,725.60x = 6,848,053,641,616.32
  5. Step 5: Solve for x
    x = 6,848,053,641,616.32/3,985,725.60
  6. Step 6: Final answer
    x = 1,718,144.78

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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.