Home / 2,148,979.11-3,222,773.67-709,339.11

Finding the Fourth Proportional to 2,148,979.11, 3,222,773.67 and 709,339.11

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Solution

The fourth proportional to 2,148,979.11, 3,222,773.67 and 709,339.11 is: 1,063,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,979.11 : 3,222,773.67 = 709,339.11 : x
  2. Step 2: Convert to fraction form
    2,148,979.11/3,222,773.67 = 709,339.11/x
  3. Step 3: Cross multiply
    2,148,979.11x = 3,222,773.67 × 709,339.11
  4. Step 4: Simplify right side
    2,148,979.11x = 2,286,039,406,809.23
  5. Step 5: Solve for x
    x = 2,286,039,406,809.23/2,148,979.11
  6. Step 6: Final answer
    x = 1,063,779.26

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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.