Home / 5,707,219.92-7,875,961.47-3,128,845.38

Finding the Fourth Proportional to 5,707,219.92, 7,875,961.47 and 3,128,845.38

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Solution

The fourth proportional to 5,707,219.92, 7,875,961.47 and 3,128,845.38 is: 4,317,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707,219.92 : 7,875,961.47 = 3,128,845.38 : x
  2. Step 2: Convert to fraction form
    5,707,219.92/7,875,961.47 = 3,128,845.38/x
  3. Step 3: Cross multiply
    5,707,219.92x = 7,875,961.47 × 3,128,845.38
  4. Step 4: Simplify right side
    5,707,219.92x = 24,642,665,658,467.51
  5. Step 5: Solve for x
    x = 24,642,665,658,467.51/5,707,219.92
  6. Step 6: Final answer
    x = 4,317,805.52

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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.