Home / 2,837,140.13-3,910,679.66-1,919,034.45

Finding the Fourth Proportional to 2,837,140.13, 3,910,679.66 and 1,919,034.45

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Solution

The fourth proportional to 2,837,140.13, 3,910,679.66 and 1,919,034.45 is: 2,645,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837,140.13 : 3,910,679.66 = 1,919,034.45 : x
  2. Step 2: Convert to fraction form
    2,837,140.13/3,910,679.66 = 1,919,034.45/x
  3. Step 3: Cross multiply
    2,837,140.13x = 3,910,679.66 × 1,919,034.45
  4. Step 4: Simplify right side
    2,837,140.13x = 7,504,728,980,859.11
  5. Step 5: Solve for x
    x = 7,504,728,980,859.11/2,837,140.13
  6. Step 6: Final answer
    x = 2,645,173.89

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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.