Home / 4,208,421.78-6,313,568.20-1,963,335.06

Finding the Fourth Proportional to 4,208,421.78, 6,313,568.20 and 1,963,335.06

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Solution

The fourth proportional to 4,208,421.78, 6,313,568.20 and 1,963,335.06 is: 2,945,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208,421.78 : 6,313,568.20 = 1,963,335.06 : x
  2. Step 2: Convert to fraction form
    4,208,421.78/6,313,568.20 = 1,963,335.06/x
  3. Step 3: Cross multiply
    4,208,421.78x = 6,313,568.20 × 1,963,335.06
  4. Step 4: Simplify right side
    4,208,421.78x = 12,395,649,800,761.09
  5. Step 5: Solve for x
    x = 12,395,649,800,761.09/4,208,421.78
  6. Step 6: Final answer
    x = 2,945,439.04

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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.