Home / 2,209,511.29-3,048,668.38-1,291,563

Finding the Fourth Proportional to 2,209,511.29, 3,048,668.38 and 1,291,563

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Solution

The fourth proportional to 2,209,511.29, 3,048,668.38 and 1,291,563 is: 1,782,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,511.29 : 3,048,668.38 = 1,291,563 : x
  2. Step 2: Convert to fraction form
    2,209,511.29/3,048,668.38 = 1,291,563/x
  3. Step 3: Cross multiply
    2,209,511.29x = 3,048,668.38 × 1,291,563
  4. Step 4: Simplify right side
    2,209,511.29x = 3,937,547,278,877.94
  5. Step 5: Solve for x
    x = 3,937,547,278,877.94/2,209,511.29
  6. Step 6: Final answer
    x = 1,782,089.69

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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.