Home / 3,419,661.78-4,719,097.80-1,870,908.84

Finding the Fourth Proportional to 3,419,661.78, 4,719,097.80 and 1,870,908.84

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Solution

The fourth proportional to 3,419,661.78, 4,719,097.80 and 1,870,908.84 is: 2,581,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,661.78 : 4,719,097.80 = 1,870,908.84 : x
  2. Step 2: Convert to fraction form
    3,419,661.78/4,719,097.80 = 1,870,908.84/x
  3. Step 3: Cross multiply
    3,419,661.78x = 4,719,097.80 × 1,870,908.84
  4. Step 4: Simplify right side
    3,419,661.78x = 8,829,001,790,844.55
  5. Step 5: Solve for x
    x = 8,829,001,790,844.55/3,419,661.78
  6. Step 6: Final answer
    x = 2,581,834.80

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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.