Home / 2,055,042.72-2,835,999.76-1,239,242.40

Finding the Fourth Proportional to 2,055,042.72, 2,835,999.76 and 1,239,242.40

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Solution

The fourth proportional to 2,055,042.72, 2,835,999.76 and 1,239,242.40 is: 1,710,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,042.72 : 2,835,999.76 = 1,239,242.40 : x
  2. Step 2: Convert to fraction form
    2,055,042.72/2,835,999.76 = 1,239,242.40/x
  3. Step 3: Cross multiply
    2,055,042.72x = 2,835,999.76 × 1,239,242.40
  4. Step 4: Simplify right side
    2,055,042.72x = 3,514,491,148,981.82
  5. Step 5: Solve for x
    x = 3,514,491,148,981.82/2,055,042.72
  6. Step 6: Final answer
    x = 1,710,179.12

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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.