Home / 4,917,788.43-7,372,216.85-1,721,170.82

Finding the Fourth Proportional to 4,917,788.43, 7,372,216.85 and 1,721,170.82

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Solution

The fourth proportional to 4,917,788.43, 7,372,216.85 and 1,721,170.82 is: 2,580,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917,788.43 : 7,372,216.85 = 1,721,170.82 : x
  2. Step 2: Convert to fraction form
    4,917,788.43/7,372,216.85 = 1,721,170.82/x
  3. Step 3: Cross multiply
    4,917,788.43x = 7,372,216.85 × 1,721,170.82
  4. Step 4: Simplify right side
    4,917,788.43x = 12,688,844,475,465.38
  5. Step 5: Solve for x
    x = 12,688,844,475,465.38/4,917,788.43
  6. Step 6: Final answer
    x = 2,580,193.24

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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.