Home / 2,891,218.80-4,340,975.40-2,186,194.80

Finding the Fourth Proportional to 2,891,218.80, 4,340,975.40 and 2,186,194.80

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Solution

The fourth proportional to 2,891,218.80, 4,340,975.40 and 2,186,194.80 is: 3,282,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,218.80 : 4,340,975.40 = 2,186,194.80 : x
  2. Step 2: Convert to fraction form
    2,891,218.80/4,340,975.40 = 2,186,194.80/x
  3. Step 3: Cross multiply
    2,891,218.80x = 4,340,975.40 × 2,186,194.80
  4. Step 4: Simplify right side
    2,891,218.80x = 9,490,217,846,407.92
  5. Step 5: Solve for x
    x = 9,490,217,846,407.92/2,891,218.80
  6. Step 6: Final answer
    x = 3,282,428.10

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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.