Home / 1,913,060.08-2,640,142.31-1,053,620.11

Finding the Fourth Proportional to 1,913,060.08, 2,640,142.31 and 1,053,620.11

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Solution

The fourth proportional to 1,913,060.08, 2,640,142.31 and 1,053,620.11 is: 1,454,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,060.08 : 2,640,142.31 = 1,053,620.11 : x
  2. Step 2: Convert to fraction form
    1,913,060.08/2,640,142.31 = 1,053,620.11/x
  3. Step 3: Cross multiply
    1,913,060.08x = 2,640,142.31 × 1,053,620.11
  4. Step 4: Simplify right side
    1,913,060.08x = 2,781,707,031,077.85
  5. Step 5: Solve for x
    x = 2,781,707,031,077.85/1,913,060.08
  6. Step 6: Final answer
    x = 1,454,061.51

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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.