Home / 5,413,150.68-8,119,857.80-1,818,969.72

Finding the Fourth Proportional to 5,413,150.68, 8,119,857.80 and 1,818,969.72

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Solution

The fourth proportional to 5,413,150.68, 8,119,857.80 and 1,818,969.72 is: 2,728,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,150.68 : 8,119,857.80 = 1,818,969.72 : x
  2. Step 2: Convert to fraction form
    5,413,150.68/8,119,857.80 = 1,818,969.72/x
  3. Step 3: Cross multiply
    5,413,150.68x = 8,119,857.80 × 1,818,969.72
  4. Step 4: Simplify right side
    5,413,150.68x = 14,769,775,468,905.82
  5. Step 5: Solve for x
    x = 14,769,775,468,905.82/5,413,150.68
  6. Step 6: Final answer
    x = 2,728,498.86

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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.