Home / 3,986,564.80-5,979,847.20-2,915,809.60

Finding the Fourth Proportional to 3,986,564.80, 5,979,847.20 and 2,915,809.60

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Solution

The fourth proportional to 3,986,564.80, 5,979,847.20 and 2,915,809.60 is: 4,373,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,564.80 : 5,979,847.20 = 2,915,809.60 : x
  2. Step 2: Convert to fraction form
    3,986,564.80/5,979,847.20 = 2,915,809.60/x
  3. Step 3: Cross multiply
    3,986,564.80x = 5,979,847.20 × 2,915,809.60
  4. Step 4: Simplify right side
    3,986,564.80x = 17,436,095,872,293.12
  5. Step 5: Solve for x
    x = 17,436,095,872,293.12/3,986,564.80
  6. Step 6: Final answer
    x = 4,373,714.40

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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.