Home / 2,111,947.76-2,911,668.44-1,677,805.68

Finding the Fourth Proportional to 2,111,947.76, 2,911,668.44 and 1,677,805.68

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Solution

The fourth proportional to 2,111,947.76, 2,911,668.44 and 1,677,805.68 is: 2,313,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,947.76 : 2,911,668.44 = 1,677,805.68 : x
  2. Step 2: Convert to fraction form
    2,111,947.76/2,911,668.44 = 1,677,805.68/x
  3. Step 3: Cross multiply
    2,111,947.76x = 2,911,668.44 × 1,677,805.68
  4. Step 4: Simplify right side
    2,111,947.76x = 4,885,213,846,908.74
  5. Step 5: Solve for x
    x = 4,885,213,846,908.74/2,111,947.76
  6. Step 6: Final answer
    x = 2,313,131.95

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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.