Home / 2,811,093.84-4,217,428.08-1,129,378.32

Finding the Fourth Proportional to 2,811,093.84, 4,217,428.08 and 1,129,378.32

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Solution

The fourth proportional to 2,811,093.84, 4,217,428.08 and 1,129,378.32 is: 1,694,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,093.84 : 4,217,428.08 = 1,129,378.32 : x
  2. Step 2: Convert to fraction form
    2,811,093.84/4,217,428.08 = 1,129,378.32/x
  3. Step 3: Cross multiply
    2,811,093.84x = 4,217,428.08 × 1,129,378.32
  4. Step 4: Simplify right side
    2,811,093.84x = 4,763,071,839,711.23
  5. Step 5: Solve for x
    x = 4,763,071,839,711.23/2,811,093.84
  6. Step 6: Final answer
    x = 1,694,383.79

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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.