Home / 2,639,085.04-3,640,854.75-1,605,764.47

Finding the Fourth Proportional to 2,639,085.04, 3,640,854.75 and 1,605,764.47

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Solution

The fourth proportional to 2,639,085.04, 3,640,854.75 and 1,605,764.47 is: 2,215,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,085.04 : 3,640,854.75 = 1,605,764.47 : x
  2. Step 2: Convert to fraction form
    2,639,085.04/3,640,854.75 = 1,605,764.47/x
  3. Step 3: Cross multiply
    2,639,085.04x = 3,640,854.75 × 1,605,764.47
  4. Step 4: Simplify right side
    2,639,085.04x = 5,846,355,197,980.73
  5. Step 5: Solve for x
    x = 5,846,355,197,980.73/2,639,085.04
  6. Step 6: Final answer
    x = 2,215,296.25

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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.