Home / 1,892,186.80-2,837,405.40-826,680.40

Finding the Fourth Proportional to 1,892,186.80, 2,837,405.40 and 826,680.40

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Solution

The fourth proportional to 1,892,186.80, 2,837,405.40 and 826,680.40 is: 1,239,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,186.80 : 2,837,405.40 = 826,680.40 : x
  2. Step 2: Convert to fraction form
    1,892,186.80/2,837,405.40 = 826,680.40/x
  3. Step 3: Cross multiply
    1,892,186.80x = 2,837,405.40 × 826,680.40
  4. Step 4: Simplify right side
    1,892,186.80x = 2,345,627,431,034.16
  5. Step 5: Solve for x
    x = 2,345,627,431,034.16/1,892,186.80
  6. Step 6: Final answer
    x = 1,239,638.41

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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.