Home / 2,891,584.85-3,990,410.57-1,602,446.45

Finding the Fourth Proportional to 2,891,584.85, 3,990,410.57 and 1,602,446.45

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Solution

The fourth proportional to 2,891,584.85, 3,990,410.57 and 1,602,446.45 is: 2,211,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,584.85 : 3,990,410.57 = 1,602,446.45 : x
  2. Step 2: Convert to fraction form
    2,891,584.85/3,990,410.57 = 1,602,446.45/x
  3. Step 3: Cross multiply
    2,891,584.85x = 3,990,410.57 × 1,602,446.45
  4. Step 4: Simplify right side
    2,891,584.85x = 6,394,419,243,926.74
  5. Step 5: Solve for x
    x = 6,394,419,243,926.74/2,891,584.85
  6. Step 6: Final answer
    x = 2,211,389.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.