Home / 2,117,512.85-2,921,930.52-1,199,545.34

Finding the Fourth Proportional to 2,117,512.85, 2,921,930.52 and 1,199,545.34

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Solution

The fourth proportional to 2,117,512.85, 2,921,930.52 and 1,199,545.34 is: 1,655,238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,512.85 : 2,921,930.52 = 1,199,545.34 : x
  2. Step 2: Convert to fraction form
    2,117,512.85/2,921,930.52 = 1,199,545.34/x
  3. Step 3: Cross multiply
    2,117,512.85x = 2,921,930.52 × 1,199,545.34
  4. Step 4: Simplify right side
    2,117,512.85x = 3,504,988,139,069.78
  5. Step 5: Solve for x
    x = 3,504,988,139,069.78/2,117,512.85
  6. Step 6: Final answer
    x = 1,655,238.19

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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.