Home / 3,139,284.94-4,331,119.37-1,977,834.94

Finding the Fourth Proportional to 3,139,284.94, 4,331,119.37 and 1,977,834.94

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Solution

The fourth proportional to 3,139,284.94, 4,331,119.37 and 1,977,834.94 is: 2,728,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,284.94 : 4,331,119.37 = 1,977,834.94 : x
  2. Step 2: Convert to fraction form
    3,139,284.94/4,331,119.37 = 1,977,834.94/x
  3. Step 3: Cross multiply
    3,139,284.94x = 4,331,119.37 × 1,977,834.94
  4. Step 4: Simplify right side
    3,139,284.94x = 8,566,239,198,579.82
  5. Step 5: Solve for x
    x = 8,566,239,198,579.82/3,139,284.94
  6. Step 6: Final answer
    x = 2,728,723.06

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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.