Home / 2,190,642.86-3,277,971.20-1,292,514.86

Finding the Fourth Proportional to 2,190,642.86, 3,277,971.20 and 1,292,514.86

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Solution

The fourth proportional to 2,190,642.86, 3,277,971.20 and 1,292,514.86 is: 1,934,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,642.86 : 3,277,971.20 = 1,292,514.86 : x
  2. Step 2: Convert to fraction form
    2,190,642.86/3,277,971.20 = 1,292,514.86/x
  3. Step 3: Cross multiply
    2,190,642.86x = 3,277,971.20 × 1,292,514.86
  4. Step 4: Simplify right side
    2,190,642.86x = 4,236,826,486,652.03
  5. Step 5: Solve for x
    x = 4,236,826,486,652.03/2,190,642.86
  6. Step 6: Final answer
    x = 1,934,056.24

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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.