Home / 3,438,186.66-5,158,311.21-1,387,792.14

Finding the Fourth Proportional to 3,438,186.66, 5,158,311.21 and 1,387,792.14

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Solution

The fourth proportional to 3,438,186.66, 5,158,311.21 and 1,387,792.14 is: 2,082,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,186.66 : 5,158,311.21 = 1,387,792.14 : x
  2. Step 2: Convert to fraction form
    3,438,186.66/5,158,311.21 = 1,387,792.14/x
  3. Step 3: Cross multiply
    3,438,186.66x = 5,158,311.21 × 1,387,792.14
  4. Step 4: Simplify right side
    3,438,186.66x = 7,158,663,752,911.89
  5. Step 5: Solve for x
    x = 7,158,663,752,911.89/3,438,186.66
  6. Step 6: Final answer
    x = 2,082,104.45

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