Home / 2,121,098-2,927,115.72-1,167,242

Finding the Fourth Proportional to 2,121,098, 2,927,115.72 and 1,167,242

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Solution

The fourth proportional to 2,121,098, 2,927,115.72 and 1,167,242 is: 1,610,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,098 : 2,927,115.72 = 1,167,242 : x
  2. Step 2: Convert to fraction form
    2,121,098/2,927,115.72 = 1,167,242/x
  3. Step 3: Cross multiply
    2,121,098x = 2,927,115.72 × 1,167,242
  4. Step 4: Simplify right side
    2,121,098x = 3,416,652,407,244.24
  5. Step 5: Solve for x
    x = 3,416,652,407,244.24/2,121,098
  6. Step 6: Final answer
    x = 1,610,794.22

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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.