Home / 1,640,246.10-2,458,400.85-841,116.30

Finding the Fourth Proportional to 1,640,246.10, 2,458,400.85 and 841,116.30

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Solution

The fourth proportional to 1,640,246.10, 2,458,400.85 and 841,116.30 is: 1,260,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,246.10 : 2,458,400.85 = 841,116.30 : x
  2. Step 2: Convert to fraction form
    1,640,246.10/2,458,400.85 = 841,116.30/x
  3. Step 3: Cross multiply
    1,640,246.10x = 2,458,400.85 × 841,116.30
  4. Step 4: Simplify right side
    1,640,246.10x = 2,067,801,026,868.86
  5. Step 5: Solve for x
    x = 2,067,801,026,868.86/1,640,246.10
  6. Step 6: Final answer
    x = 1,260,665.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.