Home / 2,138,253.02-2,950,789-1,278,813.26

Finding the Fourth Proportional to 2,138,253.02, 2,950,789 and 1,278,813.26

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Solution

The fourth proportional to 2,138,253.02, 2,950,789 and 1,278,813.26 is: 1,764,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,253.02 : 2,950,789 = 1,278,813.26 : x
  2. Step 2: Convert to fraction form
    2,138,253.02/2,950,789 = 1,278,813.26/x
  3. Step 3: Cross multiply
    2,138,253.02x = 2,950,789 × 1,278,813.26
  4. Step 4: Simplify right side
    2,138,253.02x = 3,773,508,100,662.14
  5. Step 5: Solve for x
    x = 3,773,508,100,662.14/2,138,253.02
  6. Step 6: Final answer
    x = 1,764,762.20

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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.