Home / 2,069,703.72-3,105,072.26-721,885.69

Finding the Fourth Proportional to 2,069,703.72, 3,105,072.26 and 721,885.69

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Solution

The fourth proportional to 2,069,703.72, 3,105,072.26 and 721,885.69 is: 1,083,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069,703.72 : 3,105,072.26 = 721,885.69 : x
  2. Step 2: Convert to fraction form
    2,069,703.72/3,105,072.26 = 721,885.69/x
  3. Step 3: Cross multiply
    2,069,703.72x = 3,105,072.26 × 721,885.69
  4. Step 4: Simplify right side
    2,069,703.72x = 2,241,507,233,888.94
  5. Step 5: Solve for x
    x = 2,241,507,233,888.94/2,069,703.72
  6. Step 6: Final answer
    x = 1,083,008.75

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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.