Home / 2,109,481.40-2,911,084.44-1,142,612.03

Finding the Fourth Proportional to 2,109,481.40, 2,911,084.44 and 1,142,612.03

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Solution

The fourth proportional to 2,109,481.40, 2,911,084.44 and 1,142,612.03 is: 1,576,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,481.40 : 2,911,084.44 = 1,142,612.03 : x
  2. Step 2: Convert to fraction form
    2,109,481.40/2,911,084.44 = 1,142,612.03/x
  3. Step 3: Cross multiply
    2,109,481.40x = 2,911,084.44 × 1,142,612.03
  4. Step 4: Simplify right side
    2,109,481.40x = 3,326,240,101,489.81
  5. Step 5: Solve for x
    x = 3,326,240,101,489.81/2,109,481.40
  6. Step 6: Final answer
    x = 1,576,804.66

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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.