Home / 2,057,689.76-2,840,596.44-1,370,505.20

Finding the Fourth Proportional to 2,057,689.76, 2,840,596.44 and 1,370,505.20

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Solution

The fourth proportional to 2,057,689.76, 2,840,596.44 and 1,370,505.20 is: 1,891,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,689.76 : 2,840,596.44 = 1,370,505.20 : x
  2. Step 2: Convert to fraction form
    2,057,689.76/2,840,596.44 = 1,370,505.20/x
  3. Step 3: Cross multiply
    2,057,689.76x = 2,840,596.44 × 1,370,505.20
  4. Step 4: Simplify right side
    2,057,689.76x = 3,893,052,192,121.49
  5. Step 5: Solve for x
    x = 3,893,052,192,121.49/2,057,689.76
  6. Step 6: Final answer
    x = 1,891,952.94

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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.