Home / 5,397,336.40-7,448,121.75-2,949,927.57

Finding the Fourth Proportional to 5,397,336.40, 7,448,121.75 and 2,949,927.57

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Solution

The fourth proportional to 5,397,336.40, 7,448,121.75 and 2,949,927.57 is: 4,070,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397,336.40 : 7,448,121.75 = 2,949,927.57 : x
  2. Step 2: Convert to fraction form
    5,397,336.40/7,448,121.75 = 2,949,927.57/x
  3. Step 3: Cross multiply
    5,397,336.40x = 7,448,121.75 × 2,949,927.57
  4. Step 4: Simplify right side
    5,397,336.40x = 21,971,419,695,041.64
  5. Step 5: Solve for x
    x = 21,971,419,695,041.64/5,397,336.40
  6. Step 6: Final answer
    x = 4,070,789.38

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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.