Home / 2,947,489.03-4,067,506.11-1,640,720.35

Finding the Fourth Proportional to 2,947,489.03, 4,067,506.11 and 1,640,720.35

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Solution

The fourth proportional to 2,947,489.03, 4,067,506.11 and 1,640,720.35 is: 2,264,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,489.03 : 4,067,506.11 = 1,640,720.35 : x
  2. Step 2: Convert to fraction form
    2,947,489.03/4,067,506.11 = 1,640,720.35/x
  3. Step 3: Cross multiply
    2,947,489.03x = 4,067,506.11 × 1,640,720.35
  4. Step 4: Simplify right side
    2,947,489.03x = 6,673,640,048,426.34
  5. Step 5: Solve for x
    x = 6,673,640,048,426.34/2,947,489.03
  6. Step 6: Final answer
    x = 2,264,178.08

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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.