Home / 2,709,169.65-4,063,746.38-687,409.65

Finding the Fourth Proportional to 2,709,169.65, 4,063,746.38 and 687,409.65

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Solution

The fourth proportional to 2,709,169.65, 4,063,746.38 and 687,409.65 is: 1,031,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,169.65 : 4,063,746.38 = 687,409.65 : x
  2. Step 2: Convert to fraction form
    2,709,169.65/4,063,746.38 = 687,409.65/x
  3. Step 3: Cross multiply
    2,709,169.65x = 4,063,746.38 × 687,409.65
  4. Step 4: Simplify right side
    2,709,169.65x = 2,793,458,473,327.52
  5. Step 5: Solve for x
    x = 2,793,458,473,327.52/2,709,169.65
  6. Step 6: Final answer
    x = 1,031,112.42

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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.