Home / 2,889,640.10-4,328,239.35-2,391,976.10

Finding the Fourth Proportional to 2,889,640.10, 4,328,239.35 and 2,391,976.10

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Solution

The fourth proportional to 2,889,640.10, 4,328,239.35 and 2,391,976.10 is: 3,582,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,640.10 : 4,328,239.35 = 2,391,976.10 : x
  2. Step 2: Convert to fraction form
    2,889,640.10/4,328,239.35 = 2,391,976.10/x
  3. Step 3: Cross multiply
    2,889,640.10x = 4,328,239.35 × 2,391,976.10
  4. Step 4: Simplify right side
    2,889,640.10x = 10,353,045,080,279.54
  5. Step 5: Solve for x
    x = 10,353,045,080,279.54/2,889,640.10
  6. Step 6: Final answer
    x = 3,582,814.72

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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.