Home / 2,318,195.40-3,473,145.90-1,986,419.40

Finding the Fourth Proportional to 2,318,195.40, 3,473,145.90 and 1,986,419.40

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Solution

The fourth proportional to 2,318,195.40, 3,473,145.90 and 1,986,419.40 is: 2,976,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,195.40 : 3,473,145.90 = 1,986,419.40 : x
  2. Step 2: Convert to fraction form
    2,318,195.40/3,473,145.90 = 1,986,419.40/x
  3. Step 3: Cross multiply
    2,318,195.40x = 3,473,145.90 × 1,986,419.40
  4. Step 4: Simplify right side
    2,318,195.40x = 6,899,124,394,790.46
  5. Step 5: Solve for x
    x = 6,899,124,394,790.46/2,318,195.40
  6. Step 6: Final answer
    x = 2,976,075.44

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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.