Home / 2,129,759.30-2,939,186.86-1,162,979.30

Finding the Fourth Proportional to 2,129,759.30, 2,939,186.86 and 1,162,979.30

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Solution

The fourth proportional to 2,129,759.30, 2,939,186.86 and 1,162,979.30 is: 1,604,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,759.30 : 2,939,186.86 = 1,162,979.30 : x
  2. Step 2: Convert to fraction form
    2,129,759.30/2,939,186.86 = 1,162,979.30/x
  3. Step 3: Cross multiply
    2,129,759.30x = 2,939,186.86 × 1,162,979.30
  4. Step 4: Simplify right side
    2,129,759.30x = 3,418,213,477,012.00
  5. Step 5: Solve for x
    x = 3,418,213,477,012.00/2,129,759.30
  6. Step 6: Final answer
    x = 1,604,976.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.