Home / 1,975,015.85-2,725,743.54-1,115,631.47

Finding the Fourth Proportional to 1,975,015.85, 2,725,743.54 and 1,115,631.47

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Solution

The fourth proportional to 1,975,015.85, 2,725,743.54 and 1,115,631.47 is: 1,539,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,015.85 : 2,725,743.54 = 1,115,631.47 : x
  2. Step 2: Convert to fraction form
    1,975,015.85/2,725,743.54 = 1,115,631.47/x
  3. Step 3: Cross multiply
    1,975,015.85x = 2,725,743.54 × 1,115,631.47
  4. Step 4: Simplify right side
    1,975,015.85x = 3,040,925,272,373.20
  5. Step 5: Solve for x
    x = 3,040,925,272,373.20/1,975,015.85
  6. Step 6: Final answer
    x = 1,539,696.64

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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.