Home / 2,766,506.40-4,149,759.60-771,962.40

Finding the Fourth Proportional to 2,766,506.40, 4,149,759.60 and 771,962.40

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Solution

The fourth proportional to 2,766,506.40, 4,149,759.60 and 771,962.40 is: 1,157,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,506.40 : 4,149,759.60 = 771,962.40 : x
  2. Step 2: Convert to fraction form
    2,766,506.40/4,149,759.60 = 771,962.40/x
  3. Step 3: Cross multiply
    2,766,506.40x = 4,149,759.60 × 771,962.40
  4. Step 4: Simplify right side
    2,766,506.40x = 3,203,458,380,239.04
  5. Step 5: Solve for x
    x = 3,203,458,380,239.04/2,766,506.40
  6. Step 6: Final answer
    x = 1,157,943.60

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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.