Home / 1,884,333.71-2,825,429.85-1,286,019.72

Finding the Fourth Proportional to 1,884,333.71, 2,825,429.85 and 1,286,019.72

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Solution

The fourth proportional to 1,884,333.71, 2,825,429.85 and 1,286,019.72 is: 1,928,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884,333.71 : 2,825,429.85 = 1,286,019.72 : x
  2. Step 2: Convert to fraction form
    1,884,333.71/2,825,429.85 = 1,286,019.72/x
  3. Step 3: Cross multiply
    1,884,333.71x = 2,825,429.85 × 1,286,019.72
  4. Step 4: Simplify right side
    1,884,333.71x = 3,633,558,504,576.64
  5. Step 5: Solve for x
    x = 3,633,558,504,576.64/1,884,333.71
  6. Step 6: Final answer
    x = 1,928,298.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.