Home / 2,057,569.80-2,839,415.68-1,139,796.20

Finding the Fourth Proportional to 2,057,569.80, 2,839,415.68 and 1,139,796.20

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Solution

The fourth proportional to 2,057,569.80, 2,839,415.68 and 1,139,796.20 is: 1,572,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,569.80 : 2,839,415.68 = 1,139,796.20 : x
  2. Step 2: Convert to fraction form
    2,057,569.80/2,839,415.68 = 1,139,796.20/x
  3. Step 3: Cross multiply
    2,057,569.80x = 2,839,415.68 × 1,139,796.20
  4. Step 4: Simplify right side
    2,057,569.80x = 3,236,355,202,284.42
  5. Step 5: Solve for x
    x = 3,236,355,202,284.42/2,057,569.80
  6. Step 6: Final answer
    x = 1,572,901.78

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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.