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Finding the Fourth Proportional to 6,734,674.86, 9,294,055.65 and 3,679,085.94

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Solution

The fourth proportional to 6,734,674.86, 9,294,055.65 and 3,679,085.94 is: 5,077,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,734,674.86 : 9,294,055.65 = 3,679,085.94 : x
  2. Step 2: Convert to fraction form
    6,734,674.86/9,294,055.65 = 3,679,085.94/x
  3. Step 3: Cross multiply
    6,734,674.86x = 9,294,055.65 × 3,679,085.94
  4. Step 4: Simplify right side
    6,734,674.86x = 34,193,629,467,492.56
  5. Step 5: Solve for x
    x = 34,193,629,467,492.56/6,734,674.86
  6. Step 6: Final answer
    x = 5,077,250.23

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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.