Home / 3,949,507.69-5,450,340.76-2,207,206.16

Finding the Fourth Proportional to 3,949,507.69, 5,450,340.76 and 2,207,206.16

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Solution

The fourth proportional to 3,949,507.69, 5,450,340.76 and 2,207,206.16 is: 3,045,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,507.69 : 5,450,340.76 = 2,207,206.16 : x
  2. Step 2: Convert to fraction form
    3,949,507.69/5,450,340.76 = 2,207,206.16/x
  3. Step 3: Cross multiply
    3,949,507.69x = 5,450,340.76 × 2,207,206.16
  4. Step 4: Simplify right side
    3,949,507.69x = 12,030,025,687,240.14
  5. Step 5: Solve for x
    x = 12,030,025,687,240.14/3,949,507.69
  6. Step 6: Final answer
    x = 3,045,955.76

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Double scale
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1.5x scale

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.