Home / 1,979,055.35-2,731,353.97-1,108,221.67

Finding the Fourth Proportional to 1,979,055.35, 2,731,353.97 and 1,108,221.67

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Solution

The fourth proportional to 1,979,055.35, 2,731,353.97 and 1,108,221.67 is: 1,529,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,055.35 : 2,731,353.97 = 1,108,221.67 : x
  2. Step 2: Convert to fraction form
    1,979,055.35/2,731,353.97 = 1,108,221.67/x
  3. Step 3: Cross multiply
    1,979,055.35x = 2,731,353.97 × 1,108,221.67
  4. Step 4: Simplify right side
    1,979,055.35x = 3,026,945,645,352.22
  5. Step 5: Solve for x
    x = 3,026,945,645,352.22/1,979,055.35
  6. Step 6: Final answer
    x = 1,529,490.14

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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.