Home / 3,435,616.80-5,153,425.20-911,527.20

Finding the Fourth Proportional to 3,435,616.80, 5,153,425.20 and 911,527.20

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Solution

The fourth proportional to 3,435,616.80, 5,153,425.20 and 911,527.20 is: 1,367,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,616.80 : 5,153,425.20 = 911,527.20 : x
  2. Step 2: Convert to fraction form
    3,435,616.80/5,153,425.20 = 911,527.20/x
  3. Step 3: Cross multiply
    3,435,616.80x = 5,153,425.20 × 911,527.20
  4. Step 4: Simplify right side
    3,435,616.80x = 4,697,487,242,965.44
  5. Step 5: Solve for x
    x = 4,697,487,242,965.44/3,435,616.80
  6. Step 6: Final answer
    x = 1,367,290.80

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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.