Home / 3,934,754.10-5,429,980.53-2,215,903.86

Finding the Fourth Proportional to 3,934,754.10, 5,429,980.53 and 2,215,903.86

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Solution

The fourth proportional to 3,934,754.10, 5,429,980.53 and 2,215,903.86 is: 3,057,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,754.10 : 5,429,980.53 = 2,215,903.86 : x
  2. Step 2: Convert to fraction form
    3,934,754.10/5,429,980.53 = 2,215,903.86/x
  3. Step 3: Cross multiply
    3,934,754.10x = 5,429,980.53 × 2,215,903.86
  4. Step 4: Simplify right side
    3,934,754.10x = 12,032,314,816,151.85
  5. Step 5: Solve for x
    x = 12,032,314,816,151.85/3,934,754.10
  6. Step 6: Final answer
    x = 3,057,958.52

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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.