Home / 2,235,680.99-3,085,642.11-1,317,855.61

Finding the Fourth Proportional to 2,235,680.99, 3,085,642.11 and 1,317,855.61

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Solution

The fourth proportional to 2,235,680.99, 3,085,642.11 and 1,317,855.61 is: 1,818,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,680.99 : 3,085,642.11 = 1,317,855.61 : x
  2. Step 2: Convert to fraction form
    2,235,680.99/3,085,642.11 = 1,317,855.61/x
  3. Step 3: Cross multiply
    2,235,680.99x = 3,085,642.11 × 1,317,855.61
  4. Step 4: Simplify right side
    2,235,680.99x = 4,066,430,765,115.74
  5. Step 5: Solve for x
    x = 4,066,430,765,115.74/2,235,680.99
  6. Step 6: Final answer
    x = 1,818,877.91

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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.