Home / 1,878,972.72-2,819,876.03-1,374,834.38

Finding the Fourth Proportional to 1,878,972.72, 2,819,876.03 and 1,374,834.38

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Solution

The fourth proportional to 1,878,972.72, 2,819,876.03 and 1,374,834.38 is: 2,063,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,972.72 : 2,819,876.03 = 1,374,834.38 : x
  2. Step 2: Convert to fraction form
    1,878,972.72/2,819,876.03 = 1,374,834.38/x
  3. Step 3: Cross multiply
    1,878,972.72x = 2,819,876.03 × 1,374,834.38
  4. Step 4: Simplify right side
    1,878,972.72x = 3,876,862,492,408.36
  5. Step 5: Solve for x
    x = 3,876,862,492,408.36/1,878,972.72
  6. Step 6: Final answer
    x = 2,063,288.33

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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.