Home / 2,875,969.76-3,970,276.47-1,788,591.65

Finding the Fourth Proportional to 2,875,969.76, 3,970,276.47 and 1,788,591.65

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Solution

The fourth proportional to 2,875,969.76, 3,970,276.47 and 1,788,591.65 is: 2,469,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,969.76 : 3,970,276.47 = 1,788,591.65 : x
  2. Step 2: Convert to fraction form
    2,875,969.76/3,970,276.47 = 1,788,591.65/x
  3. Step 3: Cross multiply
    2,875,969.76x = 3,970,276.47 × 1,788,591.65
  4. Step 4: Simplify right side
    2,875,969.76x = 7,101,203,322,582.09
  5. Step 5: Solve for x
    x = 7,101,203,322,582.09/2,875,969.76
  6. Step 6: Final answer
    x = 2,469,150.90

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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.