Home / 3,776,779.33-5,666,843.47-1,979,235.43

Finding the Fourth Proportional to 3,776,779.33, 5,666,843.47 and 1,979,235.43

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Solution

The fourth proportional to 3,776,779.33, 5,666,843.47 and 1,979,235.43 is: 2,969,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,779.33 : 5,666,843.47 = 1,979,235.43 : x
  2. Step 2: Convert to fraction form
    3,776,779.33/5,666,843.47 = 1,979,235.43/x
  3. Step 3: Cross multiply
    3,776,779.33x = 5,666,843.47 × 1,979,235.43
  4. Step 4: Simplify right side
    3,776,779.33x = 11,216,017,352,972.95
  5. Step 5: Solve for x
    x = 11,216,017,352,972.95/3,776,779.33
  6. Step 6: Final answer
    x = 2,969,730.66

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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.