Home / 3,424,834.88-5,139,133.13-1,987,276.04

Finding the Fourth Proportional to 3,424,834.88, 5,139,133.13 and 1,987,276.04

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Solution

The fourth proportional to 3,424,834.88, 5,139,133.13 and 1,987,276.04 is: 2,982,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424,834.88 : 5,139,133.13 = 1,987,276.04 : x
  2. Step 2: Convert to fraction form
    3,424,834.88/5,139,133.13 = 1,987,276.04/x
  3. Step 3: Cross multiply
    3,424,834.88x = 5,139,133.13 × 1,987,276.04
  4. Step 4: Simplify right side
    3,424,834.88x = 10,212,876,099,987.16
  5. Step 5: Solve for x
    x = 10,212,876,099,987.16/3,424,834.88
  6. Step 6: Final answer
    x = 2,982,005.40

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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.