Home / 2,176,213.30-3,003,247.19-1,209,384.34

Finding the Fourth Proportional to 2,176,213.30, 3,003,247.19 and 1,209,384.34

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Solution

The fourth proportional to 2,176,213.30, 3,003,247.19 and 1,209,384.34 is: 1,668,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,213.30 : 3,003,247.19 = 1,209,384.34 : x
  2. Step 2: Convert to fraction form
    2,176,213.30/3,003,247.19 = 1,209,384.34/x
  3. Step 3: Cross multiply
    2,176,213.30x = 3,003,247.19 × 1,209,384.34
  4. Step 4: Simplify right side
    2,176,213.30x = 3,632,080,116,250.35
  5. Step 5: Solve for x
    x = 3,632,080,116,250.35/2,176,213.30
  6. Step 6: Final answer
    x = 1,668,990.87

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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.