Home / 3,192,116.80-4,788,175.20-1,995,390.40

Finding the Fourth Proportional to 3,192,116.80, 4,788,175.20 and 1,995,390.40

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Solution

The fourth proportional to 3,192,116.80, 4,788,175.20 and 1,995,390.40 is: 2,993,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,116.80 : 4,788,175.20 = 1,995,390.40 : x
  2. Step 2: Convert to fraction form
    3,192,116.80/4,788,175.20 = 1,995,390.40/x
  3. Step 3: Cross multiply
    3,192,116.80x = 4,788,175.20 × 1,995,390.40
  4. Step 4: Simplify right side
    3,192,116.80x = 9,554,278,827,598.08
  5. Step 5: Solve for x
    x = 9,554,278,827,598.08/3,192,116.80
  6. Step 6: Final answer
    x = 2,993,085.60

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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.