Home / 2,180,649.86-3,009,296.97-1,213,759.34

Finding the Fourth Proportional to 2,180,649.86, 3,009,296.97 and 1,213,759.34

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Solution

The fourth proportional to 2,180,649.86, 3,009,296.97 and 1,213,759.34 is: 1,674,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,649.86 : 3,009,296.97 = 1,213,759.34 : x
  2. Step 2: Convert to fraction form
    2,180,649.86/3,009,296.97 = 1,213,759.34/x
  3. Step 3: Cross multiply
    2,180,649.86x = 3,009,296.97 × 1,213,759.34
  4. Step 4: Simplify right side
    2,180,649.86x = 3,652,562,304,171.20
  5. Step 5: Solve for x
    x = 3,652,562,304,171.20/2,180,649.86
  6. Step 6: Final answer
    x = 1,674,987.98

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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.