Home / 2,116,378.23-2,920,610.32-1,149,524.66

Finding the Fourth Proportional to 2,116,378.23, 2,920,610.32 and 1,149,524.66

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Solution

The fourth proportional to 2,116,378.23, 2,920,610.32 and 1,149,524.66 is: 1,586,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,378.23 : 2,920,610.32 = 1,149,524.66 : x
  2. Step 2: Convert to fraction form
    2,116,378.23/2,920,610.32 = 1,149,524.66/x
  3. Step 3: Cross multiply
    2,116,378.23x = 2,920,610.32 × 1,149,524.66
  4. Step 4: Simplify right side
    2,116,378.23x = 3,357,313,589,518.21
  5. Step 5: Solve for x
    x = 3,357,313,589,518.21/2,116,378.23
  6. Step 6: Final answer
    x = 1,586,348.58

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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.