Home / 3,171,777.29-4,376,941.34-1,721,443.53

Finding the Fourth Proportional to 3,171,777.29, 4,376,941.34 and 1,721,443.53

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Solution

The fourth proportional to 3,171,777.29, 4,376,941.34 and 1,721,443.53 is: 2,375,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,777.29 : 4,376,941.34 = 1,721,443.53 : x
  2. Step 2: Convert to fraction form
    3,171,777.29/4,376,941.34 = 1,721,443.53/x
  3. Step 3: Cross multiply
    3,171,777.29x = 4,376,941.34 × 1,721,443.53
  4. Step 4: Simplify right side
    3,171,777.29x = 7,534,657,342,325.31
  5. Step 5: Solve for x
    x = 7,534,657,342,325.31/3,171,777.29
  6. Step 6: Final answer
    x = 2,375,531.65

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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.