Home / 2,900,005.26-4,002,005.22-1,610,965.62

Finding the Fourth Proportional to 2,900,005.26, 4,002,005.22 and 1,610,965.62

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Solution

The fourth proportional to 2,900,005.26, 4,002,005.22 and 1,610,965.62 is: 2,223,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,005.26 : 4,002,005.22 = 1,610,965.62 : x
  2. Step 2: Convert to fraction form
    2,900,005.26/4,002,005.22 = 1,610,965.62/x
  3. Step 3: Cross multiply
    2,900,005.26x = 4,002,005.22 × 1,610,965.62
  4. Step 4: Simplify right side
    2,900,005.26x = 6,447,092,820,480.54
  5. Step 5: Solve for x
    x = 6,447,092,820,480.54/2,900,005.26
  6. Step 6: Final answer
    x = 2,223,131.42

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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.