Home / 2,648,384.40-3,974,650.20-1,228,616.40

Finding the Fourth Proportional to 2,648,384.40, 3,974,650.20 and 1,228,616.40

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Solution

The fourth proportional to 2,648,384.40, 3,974,650.20 and 1,228,616.40 is: 1,843,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,384.40 : 3,974,650.20 = 1,228,616.40 : x
  2. Step 2: Convert to fraction form
    2,648,384.40/3,974,650.20 = 1,228,616.40/x
  3. Step 3: Cross multiply
    2,648,384.40x = 3,974,650.20 × 1,228,616.40
  4. Step 4: Simplify right side
    2,648,384.40x = 4,883,320,419,983.28
  5. Step 5: Solve for x
    x = 4,883,320,419,983.28/2,648,384.40
  6. Step 6: Final answer
    x = 1,843,886.57

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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.