Home / 2,947,491.54-4,067,509.56-1,640,722.86

Finding the Fourth Proportional to 2,947,491.54, 4,067,509.56 and 1,640,722.86

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Solution

The fourth proportional to 2,947,491.54, 4,067,509.56 and 1,640,722.86 is: 2,264,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,491.54 : 4,067,509.56 = 1,640,722.86 : x
  2. Step 2: Convert to fraction form
    2,947,491.54/4,067,509.56 = 1,640,722.86/x
  3. Step 3: Cross multiply
    2,947,491.54x = 4,067,509.56 × 1,640,722.86
  4. Step 4: Simplify right side
    2,947,491.54x = 6,673,655,918,360.54
  5. Step 5: Solve for x
    x = 6,673,655,918,360.54/2,947,491.54
  6. Step 6: Final answer
    x = 2,264,181.53

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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.