Home / 1,915,745.76-2,873,841-636,467.40

Finding the Fourth Proportional to 1,915,745.76, 2,873,841 and 636,467.40

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Solution

The fourth proportional to 1,915,745.76, 2,873,841 and 636,467.40 is: 954,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,745.76 : 2,873,841 = 636,467.40 : x
  2. Step 2: Convert to fraction form
    1,915,745.76/2,873,841 = 636,467.40/x
  3. Step 3: Cross multiply
    1,915,745.76x = 2,873,841 × 636,467.40
  4. Step 4: Simplify right side
    1,915,745.76x = 1,829,106,109,283.40
  5. Step 5: Solve for x
    x = 1,829,106,109,283.40/1,915,745.76
  6. Step 6: Final answer
    x = 954,774.97

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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.