Home / 3,900,661.50-5,382,441.09-2,247,349.42

Finding the Fourth Proportional to 3,900,661.50, 5,382,441.09 and 2,247,349.42

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Solution

The fourth proportional to 3,900,661.50, 5,382,441.09 and 2,247,349.42 is: 3,101,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,661.50 : 5,382,441.09 = 2,247,349.42 : x
  2. Step 2: Convert to fraction form
    3,900,661.50/5,382,441.09 = 2,247,349.42/x
  3. Step 3: Cross multiply
    3,900,661.50x = 5,382,441.09 × 2,247,349.42
  4. Step 4: Simplify right side
    3,900,661.50x = 12,096,225,868,523.72
  5. Step 5: Solve for x
    x = 12,096,225,868,523.72/3,900,661.50
  6. Step 6: Final answer
    x = 3,101,070.38

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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.