Home / 3,861,041.57-5,328,238.01-2,142,157.98

Finding the Fourth Proportional to 3,861,041.57, 5,328,238.01 and 2,142,157.98

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Solution

The fourth proportional to 3,861,041.57, 5,328,238.01 and 2,142,157.98 is: 2,956,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,041.57 : 5,328,238.01 = 2,142,157.98 : x
  2. Step 2: Convert to fraction form
    3,861,041.57/5,328,238.01 = 2,142,157.98/x
  3. Step 3: Cross multiply
    3,861,041.57x = 5,328,238.01 × 2,142,157.98
  4. Step 4: Simplify right side
    3,861,041.57x = 11,413,927,577,816.21
  5. Step 5: Solve for x
    x = 11,413,927,577,816.21/3,861,041.57
  6. Step 6: Final answer
    x = 2,956,178.37

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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.