Home / 3,171,278.10-4,376,366.55-1,720,973.49

Finding the Fourth Proportional to 3,171,278.10, 4,376,366.55 and 1,720,973.49

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Solution

The fourth proportional to 3,171,278.10, 4,376,366.55 and 1,720,973.49 is: 2,374,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,278.10 : 4,376,366.55 = 1,720,973.49 : x
  2. Step 2: Convert to fraction form
    3,171,278.10/4,376,366.55 = 1,720,973.49/x
  3. Step 3: Cross multiply
    3,171,278.10x = 4,376,366.55 × 1,720,973.49
  4. Step 4: Simplify right side
    3,171,278.10x = 7,531,610,815,072.76
  5. Step 5: Solve for x
    x = 7,531,610,815,072.76/3,171,278.10
  6. Step 6: Final answer
    x = 2,374,944.92

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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.