Home / 3,171,597.19-4,376,836.83-1,721,305.15

Finding the Fourth Proportional to 3,171,597.19, 4,376,836.83 and 1,721,305.15

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Solution

The fourth proportional to 3,171,597.19, 4,376,836.83 and 1,721,305.15 is: 2,375,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,597.19 : 4,376,836.83 = 1,721,305.15 : x
  2. Step 2: Convert to fraction form
    3,171,597.19/4,376,836.83 = 1,721,305.15/x
  3. Step 3: Cross multiply
    3,171,597.19x = 4,376,836.83 × 1,721,305.15
  4. Step 4: Simplify right side
    3,171,597.19x = 7,533,871,776,188.67
  5. Step 5: Solve for x
    x = 7,533,871,776,188.67/3,171,597.19
  6. Step 6: Final answer
    x = 2,375,418.86

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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.