Home / 5,199,841.26-7,802,482.05-2,128,112.28

Finding the Fourth Proportional to 5,199,841.26, 7,802,482.05 and 2,128,112.28

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Solution

The fourth proportional to 5,199,841.26, 7,802,482.05 and 2,128,112.28 is: 3,193,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,841.26 : 7,802,482.05 = 2,128,112.28 : x
  2. Step 2: Convert to fraction form
    5,199,841.26/7,802,482.05 = 2,128,112.28/x
  3. Step 3: Cross multiply
    5,199,841.26x = 7,802,482.05 × 2,128,112.28
  4. Step 4: Simplify right side
    5,199,841.26x = 16,604,557,865,084.57
  5. Step 5: Solve for x
    x = 16,604,557,865,084.57/5,199,841.26
  6. Step 6: Final answer
    x = 3,193,281.69

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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.