Home / 3,874,672.40-5,812,013.28-1,852,440.80

Finding the Fourth Proportional to 3,874,672.40, 5,812,013.28 and 1,852,440.80

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Solution

The fourth proportional to 3,874,672.40, 5,812,013.28 and 1,852,440.80 is: 2,778,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,672.40 : 5,812,013.28 = 1,852,440.80 : x
  2. Step 2: Convert to fraction form
    3,874,672.40/5,812,013.28 = 1,852,440.80/x
  3. Step 3: Cross multiply
    3,874,672.40x = 5,812,013.28 × 1,852,440.80
  4. Step 4: Simplify right side
    3,874,672.40x = 10,766,410,530,013.82
  5. Step 5: Solve for x
    x = 10,766,410,530,013.82/3,874,672.40
  6. Step 6: Final answer
    x = 2,778,663.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.