Home / 6,920,769.26-10,382,146.55-2,128,862.72

Finding the Fourth Proportional to 6,920,769.26, 10,382,146.55 and 2,128,862.72

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Solution

The fourth proportional to 6,920,769.26, 10,382,146.55 and 2,128,862.72 is: 3,193,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,769.26 : 10,382,146.55 = 2,128,862.72 : x
  2. Step 2: Convert to fraction form
    6,920,769.26/10,382,146.55 = 2,128,862.72/x
  3. Step 3: Cross multiply
    6,920,769.26x = 10,382,146.55 × 2,128,862.72
  4. Step 4: Simplify right side
    6,920,769.26x = 22,102,164,681,316.57
  5. Step 5: Solve for x
    x = 22,102,164,681,316.57/6,920,769.26
  6. Step 6: Final answer
    x = 3,193,599.42

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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.