Home / 3,451,695.09-5,178,290.01-1,321,779.30

Finding the Fourth Proportional to 3,451,695.09, 5,178,290.01 and 1,321,779.30

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Solution

The fourth proportional to 3,451,695.09, 5,178,290.01 and 1,321,779.30 is: 1,982,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,695.09 : 5,178,290.01 = 1,321,779.30 : x
  2. Step 2: Convert to fraction form
    3,451,695.09/5,178,290.01 = 1,321,779.30/x
  3. Step 3: Cross multiply
    3,451,695.09x = 5,178,290.01 × 1,321,779.30
  4. Step 4: Simplify right side
    3,451,695.09x = 6,844,556,544,614.79
  5. Step 5: Solve for x
    x = 6,844,556,544,614.79/3,451,695.09
  6. Step 6: Final answer
    x = 1,982,955.15

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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.