Home / 4,078,091.76-6,116,742-1,238,228.56

Finding the Fourth Proportional to 4,078,091.76, 6,116,742 and 1,238,228.56

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Solution

The fourth proportional to 4,078,091.76, 6,116,742 and 1,238,228.56 is: 1,857,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,091.76 : 6,116,742 = 1,238,228.56 : x
  2. Step 2: Convert to fraction form
    4,078,091.76/6,116,742 = 1,238,228.56/x
  3. Step 3: Cross multiply
    4,078,091.76x = 6,116,742 × 1,238,228.56
  4. Step 4: Simplify right side
    4,078,091.76x = 7,573,924,638,551.52
  5. Step 5: Solve for x
    x = 7,573,924,638,551.52/4,078,091.76
  6. Step 6: Final answer
    x = 1,857,222.71

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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.