Home / 2,172,190.48-3,254,047.44-1,421,962

Finding the Fourth Proportional to 2,172,190.48, 3,254,047.44 and 1,421,962

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Solution

The fourth proportional to 2,172,190.48, 3,254,047.44 and 1,421,962 is: 2,130,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,190.48 : 3,254,047.44 = 1,421,962 : x
  2. Step 2: Convert to fraction form
    2,172,190.48/3,254,047.44 = 1,421,962/x
  3. Step 3: Cross multiply
    2,172,190.48x = 3,254,047.44 × 1,421,962
  4. Step 4: Simplify right side
    2,172,190.48x = 4,627,131,805,877.28
  5. Step 5: Solve for x
    x = 4,627,131,805,877.28/2,172,190.48
  6. Step 6: Final answer
    x = 2,130,168.53

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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.