Home / 5,181,993.01-7,773,985.82-1,986,870

Finding the Fourth Proportional to 5,181,993.01, 7,773,985.82 and 1,986,870

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Solution

The fourth proportional to 5,181,993.01, 7,773,985.82 and 1,986,870 is: 2,980,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,993.01 : 7,773,985.82 = 1,986,870 : x
  2. Step 2: Convert to fraction form
    5,181,993.01/7,773,985.82 = 1,986,870/x
  3. Step 3: Cross multiply
    5,181,993.01x = 7,773,985.82 × 1,986,870
  4. Step 4: Simplify right side
    5,181,993.01x = 15,445,899,206,183.40
  5. Step 5: Solve for x
    x = 15,445,899,206,183.40/5,181,993.01
  6. Step 6: Final answer
    x = 2,980,687.00

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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.