Home / 4,214,710.76-6,315,680.06-2,789,661.56

Finding the Fourth Proportional to 4,214,710.76, 6,315,680.06 and 2,789,661.56

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Solution

The fourth proportional to 4,214,710.76, 6,315,680.06 and 2,789,661.56 is: 4,180,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214,710.76 : 6,315,680.06 = 2,789,661.56 : x
  2. Step 2: Convert to fraction form
    4,214,710.76/6,315,680.06 = 2,789,661.56/x
  3. Step 3: Cross multiply
    4,214,710.76x = 6,315,680.06 × 2,789,661.56
  4. Step 4: Simplify right side
    4,214,710.76x = 17,618,609,888,640.49
  5. Step 5: Solve for x
    x = 17,618,609,888,640.49/4,214,710.76
  6. Step 6: Final answer
    x = 4,180,265.48

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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.