Home / 1,942,841.88-2,681,139.24-1,071,709.92

Finding the Fourth Proportional to 1,942,841.88, 2,681,139.24 and 1,071,709.92

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Solution

The fourth proportional to 1,942,841.88, 2,681,139.24 and 1,071,709.92 is: 1,478,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,841.88 : 2,681,139.24 = 1,071,709.92 : x
  2. Step 2: Convert to fraction form
    1,942,841.88/2,681,139.24 = 1,071,709.92/x
  3. Step 3: Cross multiply
    1,942,841.88x = 2,681,139.24 × 1,071,709.92
  4. Step 4: Simplify right side
    1,942,841.88x = 2,873,403,520,409.26
  5. Step 5: Solve for x
    x = 2,873,403,520,409.26/1,942,841.88
  6. Step 6: Final answer
    x = 1,478,969.31

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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.