Home / 1,981,782.34-2,734,730.12-1,165,828.37

Finding the Fourth Proportional to 1,981,782.34, 2,734,730.12 and 1,165,828.37

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Solution

The fourth proportional to 1,981,782.34, 2,734,730.12 and 1,165,828.37 is: 1,608,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,782.34 : 2,734,730.12 = 1,165,828.37 : x
  2. Step 2: Convert to fraction form
    1,981,782.34/2,734,730.12 = 1,165,828.37/x
  3. Step 3: Cross multiply
    1,981,782.34x = 2,734,730.12 × 1,165,828.37
  4. Step 4: Simplify right side
    1,981,782.34x = 3,188,225,947,430.43
  5. Step 5: Solve for x
    x = 3,188,225,947,430.43/1,981,782.34
  6. Step 6: Final answer
    x = 1,608,766.96

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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.