Home / 3,289,238.62-4,538,918.83-1,912,484.62

Finding the Fourth Proportional to 3,289,238.62, 4,538,918.83 and 1,912,484.62

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Solution

The fourth proportional to 3,289,238.62, 4,538,918.83 and 1,912,484.62 is: 2,639,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,238.62 : 4,538,918.83 = 1,912,484.62 : x
  2. Step 2: Convert to fraction form
    3,289,238.62/4,538,918.83 = 1,912,484.62/x
  3. Step 3: Cross multiply
    3,289,238.62x = 4,538,918.83 × 1,912,484.62
  4. Step 4: Simplify right side
    3,289,238.62x = 8,680,612,453,803.40
  5. Step 5: Solve for x
    x = 8,680,612,453,803.40/3,289,238.62
  6. Step 6: Final answer
    x = 2,639,094.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.