Home / 3,515,500.14-4,851,520.86-1,987,516.14

Finding the Fourth Proportional to 3,515,500.14, 4,851,520.86 and 1,987,516.14

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Solution

The fourth proportional to 3,515,500.14, 4,851,520.86 and 1,987,516.14 is: 2,742,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,500.14 : 4,851,520.86 = 1,987,516.14 : x
  2. Step 2: Convert to fraction form
    3,515,500.14/4,851,520.86 = 1,987,516.14/x
  3. Step 3: Cross multiply
    3,515,500.14x = 4,851,520.86 × 1,987,516.14
  4. Step 4: Simplify right side
    3,515,500.14x = 9,642,476,012,796.68
  5. Step 5: Solve for x
    x = 9,642,476,012,796.68/3,515,500.14
  6. Step 6: Final answer
    x = 2,742,846.15

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1.5x scale

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.