Home / 3,990,915.60-5,986,373.40-2,395,280.40

Finding the Fourth Proportional to 3,990,915.60, 5,986,373.40 and 2,395,280.40

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Solution

The fourth proportional to 3,990,915.60, 5,986,373.40 and 2,395,280.40 is: 3,592,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,915.60 : 5,986,373.40 = 2,395,280.40 : x
  2. Step 2: Convert to fraction form
    3,990,915.60/5,986,373.40 = 2,395,280.40/x
  3. Step 3: Cross multiply
    3,990,915.60x = 5,986,373.40 × 2,395,280.40
  4. Step 4: Simplify right side
    3,990,915.60x = 14,339,042,872,101.36
  5. Step 5: Solve for x
    x = 14,339,042,872,101.36/3,990,915.60
  6. Step 6: Final answer
    x = 3,592,920.60

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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.