Home / 1,896,774.78-2,847,167.40-1,853,939.70

Finding the Fourth Proportional to 1,896,774.78, 2,847,167.40 and 1,853,939.70

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Solution

The fourth proportional to 1,896,774.78, 2,847,167.40 and 1,853,939.70 is: 2,782,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,774.78 : 2,847,167.40 = 1,853,939.70 : x
  2. Step 2: Convert to fraction form
    1,896,774.78/2,847,167.40 = 1,853,939.70/x
  3. Step 3: Cross multiply
    1,896,774.78x = 2,847,167.40 × 1,853,939.70
  4. Step 4: Simplify right side
    1,896,774.78x = 5,278,476,675,405.78
  5. Step 5: Solve for x
    x = 5,278,476,675,405.78/1,896,774.78
  6. Step 6: Final answer
    x = 2,782,869.50

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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.