Home / 2,057,765.76-2,839,711.20-1,139,996.64

Finding the Fourth Proportional to 2,057,765.76, 2,839,711.20 and 1,139,996.64

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Solution

The fourth proportional to 2,057,765.76, 2,839,711.20 and 1,139,996.64 is: 1,573,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,765.76 : 2,839,711.20 = 1,139,996.64 : x
  2. Step 2: Convert to fraction form
    2,057,765.76/2,839,711.20 = 1,139,996.64/x
  3. Step 3: Cross multiply
    2,057,765.76x = 2,839,711.20 × 1,139,996.64
  4. Step 4: Simplify right side
    2,057,765.76x = 3,237,261,226,570.37
  5. Step 5: Solve for x
    x = 3,237,261,226,570.37/2,057,765.76
  6. Step 6: Final answer
    x = 1,573,192.29

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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.