Home / 1,968,515.55-2,716,451.10-1,109,126.61

Finding the Fourth Proportional to 1,968,515.55, 2,716,451.10 and 1,109,126.61

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Solution

The fourth proportional to 1,968,515.55, 2,716,451.10 and 1,109,126.61 is: 1,530,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,515.55 : 2,716,451.10 = 1,109,126.61 : x
  2. Step 2: Convert to fraction form
    1,968,515.55/2,716,451.10 = 1,109,126.61/x
  3. Step 3: Cross multiply
    1,968,515.55x = 2,716,451.10 × 1,109,126.61
  4. Step 4: Simplify right side
    1,968,515.55x = 3,012,888,199,773.77
  5. Step 5: Solve for x
    x = 3,012,888,199,773.77/1,968,515.55
  6. Step 6: Final answer
    x = 1,530,538.18

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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.