Home / 6,528,175.20-9,793,645.20-1,978,850.40

Finding the Fourth Proportional to 6,528,175.20, 9,793,645.20 and 1,978,850.40

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Solution

The fourth proportional to 6,528,175.20, 9,793,645.20 and 1,978,850.40 is: 2,968,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,175.20 : 9,793,645.20 = 1,978,850.40 : x
  2. Step 2: Convert to fraction form
    6,528,175.20/9,793,645.20 = 1,978,850.40/x
  3. Step 3: Cross multiply
    6,528,175.20x = 9,793,645.20 × 1,978,850.40
  4. Step 4: Simplify right side
    6,528,175.20x = 19,380,158,721,478.08
  5. Step 5: Solve for x
    x = 19,380,158,721,478.08/6,528,175.20
  6. Step 6: Final answer
    x = 2,968,694.64

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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.