Home / 2,789,000.84-4,185,270.78-1,191,576.04

Finding the Fourth Proportional to 2,789,000.84, 4,185,270.78 and 1,191,576.04

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Solution

The fourth proportional to 2,789,000.84, 4,185,270.78 and 1,191,576.04 is: 1,788,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,000.84 : 4,185,270.78 = 1,191,576.04 : x
  2. Step 2: Convert to fraction form
    2,789,000.84/4,185,270.78 = 1,191,576.04/x
  3. Step 3: Cross multiply
    2,789,000.84x = 4,185,270.78 × 1,191,576.04
  4. Step 4: Simplify right side
    2,789,000.84x = 4,987,068,382,360.11
  5. Step 5: Solve for x
    x = 4,987,068,382,360.11/2,789,000.84
  6. Step 6: Final answer
    x = 1,788,120.07

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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.