Home / 2,190,402.72-3,285,720.36-675,126.36

Finding the Fourth Proportional to 2,190,402.72, 3,285,720.36 and 675,126.36

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Solution

The fourth proportional to 2,190,402.72, 3,285,720.36 and 675,126.36 is: 1,012,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,402.72 : 3,285,720.36 = 675,126.36 : x
  2. Step 2: Convert to fraction form
    2,190,402.72/3,285,720.36 = 675,126.36/x
  3. Step 3: Cross multiply
    2,190,402.72x = 3,285,720.36 × 675,126.36
  4. Step 4: Simplify right side
    2,190,402.72x = 2,218,276,426,624.69
  5. Step 5: Solve for x
    x = 2,218,276,426,624.69/2,190,402.72
  6. Step 6: Final answer
    x = 1,012,725.38

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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.