Home / 2,947,490.03-4,067,507.49-1,640,721.35

Finding the Fourth Proportional to 2,947,490.03, 4,067,507.49 and 1,640,721.35

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Solution

The fourth proportional to 2,947,490.03, 4,067,507.49 and 1,640,721.35 is: 2,264,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,490.03 : 4,067,507.49 = 1,640,721.35 : x
  2. Step 2: Convert to fraction form
    2,947,490.03/4,067,507.49 = 1,640,721.35/x
  3. Step 3: Cross multiply
    2,947,490.03x = 4,067,507.49 × 1,640,721.35
  4. Step 4: Simplify right side
    2,947,490.03x = 6,673,646,380,127.91
  5. Step 5: Solve for x
    x = 6,673,646,380,127.91/2,947,490.03
  6. Step 6: Final answer
    x = 2,264,179.46

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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.