Home / 5,275,190.76-7,912,698.93-1,680,908.91

Finding the Fourth Proportional to 5,275,190.76, 7,912,698.93 and 1,680,908.91

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Solution

The fourth proportional to 5,275,190.76, 7,912,698.93 and 1,680,908.91 is: 2,521,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,190.76 : 7,912,698.93 = 1,680,908.91 : x
  2. Step 2: Convert to fraction form
    5,275,190.76/7,912,698.93 = 1,680,908.91/x
  3. Step 3: Cross multiply
    5,275,190.76x = 7,912,698.93 × 1,680,908.91
  4. Step 4: Simplify right side
    5,275,190.76x = 13,300,526,133,584.46
  5. Step 5: Solve for x
    x = 13,300,526,133,584.46/5,275,190.76
  6. Step 6: Final answer
    x = 2,521,335.58

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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.