Home / 1,815,277.50-2,505,768.28-1,427,080.14

Finding the Fourth Proportional to 1,815,277.50, 2,505,768.28 and 1,427,080.14

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Solution

The fourth proportional to 1,815,277.50, 2,505,768.28 and 1,427,080.14 is: 1,969,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,277.50 : 2,505,768.28 = 1,427,080.14 : x
  2. Step 2: Convert to fraction form
    1,815,277.50/2,505,768.28 = 1,427,080.14/x
  3. Step 3: Cross multiply
    1,815,277.50x = 2,505,768.28 × 1,427,080.14
  4. Step 4: Simplify right side
    1,815,277.50x = 3,575,932,144,262.26
  5. Step 5: Solve for x
    x = 3,575,932,144,262.26/1,815,277.50
  6. Step 6: Final answer
    x = 1,969,909.36

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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.