Home / 3,709,014.86-5,120,939.78-2,315,699.94

Finding the Fourth Proportional to 3,709,014.86, 5,120,939.78 and 2,315,699.94

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Solution

The fourth proportional to 3,709,014.86, 5,120,939.78 and 2,315,699.94 is: 3,197,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,014.86 : 5,120,939.78 = 2,315,699.94 : x
  2. Step 2: Convert to fraction form
    3,709,014.86/5,120,939.78 = 2,315,699.94/x
  3. Step 3: Cross multiply
    3,709,014.86x = 5,120,939.78 × 2,315,699.94
  4. Step 4: Simplify right side
    3,709,014.86x = 11,858,559,928,793.22
  5. Step 5: Solve for x
    x = 11,858,559,928,793.22/3,709,014.86
  6. Step 6: Final answer
    x = 3,197,226.32

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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.