Home / 2,109,481.90-2,911,085.13-1,142,612.53

Finding the Fourth Proportional to 2,109,481.90, 2,911,085.13 and 1,142,612.53

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Solution

The fourth proportional to 2,109,481.90, 2,911,085.13 and 1,142,612.53 is: 1,576,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,481.90 : 2,911,085.13 = 1,142,612.53 : x
  2. Step 2: Convert to fraction form
    2,109,481.90/2,911,085.13 = 1,142,612.53/x
  3. Step 3: Cross multiply
    2,109,481.90x = 2,911,085.13 × 1,142,612.53
  4. Step 4: Simplify right side
    2,109,481.90x = 3,326,242,345,434.68
  5. Step 5: Solve for x
    x = 3,326,242,345,434.68/2,109,481.90
  6. Step 6: Final answer
    x = 1,576,805.35

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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.