Home / 2,072,480.46-3,109,139.76-874,405.68

Finding the Fourth Proportional to 2,072,480.46, 3,109,139.76 and 874,405.68

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Solution

The fourth proportional to 2,072,480.46, 3,109,139.76 and 874,405.68 is: 1,311,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,480.46 : 3,109,139.76 = 874,405.68 : x
  2. Step 2: Convert to fraction form
    2,072,480.46/3,109,139.76 = 874,405.68/x
  3. Step 3: Cross multiply
    2,072,480.46x = 3,109,139.76 × 874,405.68
  4. Step 4: Simplify right side
    2,072,480.46x = 2,718,649,466,057.84
  5. Step 5: Solve for x
    x = 2,718,649,466,057.84/2,072,480.46
  6. Step 6: Final answer
    x = 1,311,785.33

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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.