Home / 3,939,821.08-5,909,908.73-1,207,168.34

Finding the Fourth Proportional to 3,939,821.08, 5,909,908.73 and 1,207,168.34

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Solution

The fourth proportional to 3,939,821.08, 5,909,908.73 and 1,207,168.34 is: 1,810,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,821.08 : 5,909,908.73 = 1,207,168.34 : x
  2. Step 2: Convert to fraction form
    3,939,821.08/5,909,908.73 = 1,207,168.34/x
  3. Step 3: Cross multiply
    3,939,821.08x = 5,909,908.73 × 1,207,168.34
  4. Step 4: Simplify right side
    3,939,821.08x = 7,134,254,684,613.99
  5. Step 5: Solve for x
    x = 7,134,254,684,613.99/3,939,821.08
  6. Step 6: Final answer
    x = 1,810,806.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.