Home / 2,376,425.12-3,279,467.54-1,288,696.41

Finding the Fourth Proportional to 2,376,425.12, 3,279,467.54 and 1,288,696.41

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Solution

The fourth proportional to 2,376,425.12, 3,279,467.54 and 1,288,696.41 is: 1,778,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,425.12 : 3,279,467.54 = 1,288,696.41 : x
  2. Step 2: Convert to fraction form
    2,376,425.12/3,279,467.54 = 1,288,696.41/x
  3. Step 3: Cross multiply
    2,376,425.12x = 3,279,467.54 × 1,288,696.41
  4. Step 4: Simplify right side
    2,376,425.12x = 4,226,238,048,731.27
  5. Step 5: Solve for x
    x = 4,226,238,048,731.27/2,376,425.12
  6. Step 6: Final answer
    x = 1,778,401.53

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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.