Home / 3,861,119.37-5,328,345.54-2,142,235.79

Finding the Fourth Proportional to 3,861,119.37, 5,328,345.54 and 2,142,235.79

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Solution

The fourth proportional to 3,861,119.37, 5,328,345.54 and 2,142,235.79 is: 2,956,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,119.37 : 5,328,345.54 = 2,142,235.79 : x
  2. Step 2: Convert to fraction form
    3,861,119.37/5,328,345.54 = 2,142,235.79/x
  3. Step 3: Cross multiply
    3,861,119.37x = 5,328,345.54 × 2,142,235.79
  4. Step 4: Simplify right side
    3,861,119.37x = 11,414,572,518,647.83
  5. Step 5: Solve for x
    x = 11,414,572,518,647.83/3,861,119.37
  6. Step 6: Final answer
    x = 2,956,285.84

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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.