Home / 1,914,189.52-2,872,481.40-776,951.68

Finding the Fourth Proportional to 1,914,189.52, 2,872,481.40 and 776,951.68

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Solution

The fourth proportional to 1,914,189.52, 2,872,481.40 and 776,951.68 is: 1,165,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,189.52 : 2,872,481.40 = 776,951.68 : x
  2. Step 2: Convert to fraction form
    1,914,189.52/2,872,481.40 = 776,951.68/x
  3. Step 3: Cross multiply
    1,914,189.52x = 2,872,481.40 × 776,951.68
  4. Step 4: Simplify right side
    1,914,189.52x = 2,231,779,249,498.75
  5. Step 5: Solve for x
    x = 2,231,779,249,498.75/1,914,189.52
  6. Step 6: Final answer
    x = 1,165,913.42

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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.