Home / 3,078,691.50-4,248,725.49-1,720,564.50

Finding the Fourth Proportional to 3,078,691.50, 4,248,725.49 and 1,720,564.50

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Solution

The fourth proportional to 3,078,691.50, 4,248,725.49 and 1,720,564.50 is: 2,374,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,691.50 : 4,248,725.49 = 1,720,564.50 : x
  2. Step 2: Convert to fraction form
    3,078,691.50/4,248,725.49 = 1,720,564.50/x
  3. Step 3: Cross multiply
    3,078,691.50x = 4,248,725.49 × 1,720,564.50
  4. Step 4: Simplify right side
    3,078,691.50x = 7,310,206,248,339.11
  5. Step 5: Solve for x
    x = 7,310,206,248,339.11/3,078,691.50
  6. Step 6: Final answer
    x = 2,374,452.34

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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.