Home / 3,812,990.05-5,261,905.91-2,070,644.21

Finding the Fourth Proportional to 3,812,990.05, 5,261,905.91 and 2,070,644.21

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Solution

The fourth proportional to 3,812,990.05, 5,261,905.91 and 2,070,644.21 is: 2,857,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,990.05 : 5,261,905.91 = 2,070,644.21 : x
  2. Step 2: Convert to fraction form
    3,812,990.05/5,261,905.91 = 2,070,644.21/x
  3. Step 3: Cross multiply
    3,812,990.05x = 5,261,905.91 × 2,070,644.21
  4. Step 4: Simplify right side
    3,812,990.05x = 10,895,534,984,973.36
  5. Step 5: Solve for x
    x = 10,895,534,984,973.36/3,812,990.05
  6. Step 6: Final answer
    x = 2,857,477.95

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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.