Home / 1,949,656.70-2,690,291.80-1,122,999.11

Finding the Fourth Proportional to 1,949,656.70, 2,690,291.80 and 1,122,999.11

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Solution

The fourth proportional to 1,949,656.70, 2,690,291.80 and 1,122,999.11 is: 1,549,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,656.70 : 2,690,291.80 = 1,122,999.11 : x
  2. Step 2: Convert to fraction form
    1,949,656.70/2,690,291.80 = 1,122,999.11/x
  3. Step 3: Cross multiply
    1,949,656.70x = 2,690,291.80 × 1,122,999.11
  4. Step 4: Simplify right side
    1,949,656.70x = 3,021,195,297,040.30
  5. Step 5: Solve for x
    x = 3,021,195,297,040.30/1,949,656.70
  6. Step 6: Final answer
    x = 1,549,603.73

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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.