Home / 2,227,813.76-3,074,385.48-1,209,218.24

Finding the Fourth Proportional to 2,227,813.76, 3,074,385.48 and 1,209,218.24

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Solution

The fourth proportional to 2,227,813.76, 3,074,385.48 and 1,209,218.24 is: 1,668,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,813.76 : 3,074,385.48 = 1,209,218.24 : x
  2. Step 2: Convert to fraction form
    2,227,813.76/3,074,385.48 = 1,209,218.24/x
  3. Step 3: Cross multiply
    2,227,813.76x = 3,074,385.48 × 1,209,218.24
  4. Step 4: Simplify right side
    2,227,813.76x = 3,717,602,999,207.16
  5. Step 5: Solve for x
    x = 3,717,602,999,207.16/2,227,813.76
  6. Step 6: Final answer
    x = 1,668,722.52

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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.