Home / 2,077,927.70-3,111,261.24-1,078,556.18

Finding the Fourth Proportional to 2,077,927.70, 3,111,261.24 and 1,078,556.18

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Solution

The fourth proportional to 2,077,927.70, 3,111,261.24 and 1,078,556.18 is: 1,614,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,927.70 : 3,111,261.24 = 1,078,556.18 : x
  2. Step 2: Convert to fraction form
    2,077,927.70/3,111,261.24 = 1,078,556.18/x
  3. Step 3: Cross multiply
    2,077,927.70x = 3,111,261.24 × 1,078,556.18
  4. Step 4: Simplify right side
    2,077,927.70x = 3,355,670,037,996.46
  5. Step 5: Solve for x
    x = 3,355,670,037,996.46/2,077,927.70
  6. Step 6: Final answer
    x = 1,614,911.84

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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.