Home / 3,171,704.48-4,376,994.18-1,721,417.30

Finding the Fourth Proportional to 3,171,704.48, 4,376,994.18 and 1,721,417.30

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Solution

The fourth proportional to 3,171,704.48, 4,376,994.18 and 1,721,417.30 is: 2,375,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,704.48 : 4,376,994.18 = 1,721,417.30 : x
  2. Step 2: Convert to fraction form
    3,171,704.48/4,376,994.18 = 1,721,417.30/x
  3. Step 3: Cross multiply
    3,171,704.48x = 4,376,994.18 × 1,721,417.30
  4. Step 4: Simplify right side
    3,171,704.48x = 7,534,633,514,393.80
  5. Step 5: Solve for x
    x = 7,534,633,514,393.80/3,171,704.48
  6. Step 6: Final answer
    x = 2,375,578.67

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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.