Home / 3,115,383.20-4,673,074.80-1,317,669.20

Finding the Fourth Proportional to 3,115,383.20, 4,673,074.80 and 1,317,669.20

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Solution

The fourth proportional to 3,115,383.20, 4,673,074.80 and 1,317,669.20 is: 1,976,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,383.20 : 4,673,074.80 = 1,317,669.20 : x
  2. Step 2: Convert to fraction form
    3,115,383.20/4,673,074.80 = 1,317,669.20/x
  3. Step 3: Cross multiply
    3,115,383.20x = 4,673,074.80 × 1,317,669.20
  4. Step 4: Simplify right side
    3,115,383.20x = 6,157,566,733,256.16
  5. Step 5: Solve for x
    x = 6,157,566,733,256.16/3,115,383.20
  6. Step 6: Final answer
    x = 1,976,503.80

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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.