Home / 2,080,686.80-3,121,030.20-1,608,294.80

Finding the Fourth Proportional to 2,080,686.80, 3,121,030.20 and 1,608,294.80

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Solution

The fourth proportional to 2,080,686.80, 3,121,030.20 and 1,608,294.80 is: 2,412,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,686.80 : 3,121,030.20 = 1,608,294.80 : x
  2. Step 2: Convert to fraction form
    2,080,686.80/3,121,030.20 = 1,608,294.80/x
  3. Step 3: Cross multiply
    2,080,686.80x = 3,121,030.20 × 1,608,294.80
  4. Step 4: Simplify right side
    2,080,686.80x = 5,019,536,641,302.96
  5. Step 5: Solve for x
    x = 5,019,536,641,302.96/2,080,686.80
  6. Step 6: Final answer
    x = 2,412,442.20

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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.