Home / 6,228,680.40-9,342,145.80-1,969,279.20

Finding the Fourth Proportional to 6,228,680.40, 9,342,145.80 and 1,969,279.20

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Solution

The fourth proportional to 6,228,680.40, 9,342,145.80 and 1,969,279.20 is: 2,953,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228,680.40 : 9,342,145.80 = 1,969,279.20 : x
  2. Step 2: Convert to fraction form
    6,228,680.40/9,342,145.80 = 1,969,279.20/x
  3. Step 3: Cross multiply
    6,228,680.40x = 9,342,145.80 × 1,969,279.20
  4. Step 4: Simplify right side
    6,228,680.40x = 18,397,293,407,307.36
  5. Step 5: Solve for x
    x = 18,397,293,407,307.36/6,228,680.40
  6. Step 6: Final answer
    x = 2,953,642.22

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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.