Home / 2,875,969.45-3,970,275.96-1,788,591.38

Finding the Fourth Proportional to 2,875,969.45, 3,970,275.96 and 1,788,591.38

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Solution

The fourth proportional to 2,875,969.45, 3,970,275.96 and 1,788,591.38 is: 2,469,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,969.45 : 3,970,275.96 = 1,788,591.38 : x
  2. Step 2: Convert to fraction form
    2,875,969.45/3,970,275.96 = 1,788,591.38/x
  3. Step 3: Cross multiply
    2,875,969.45x = 3,970,275.96 × 1,788,591.38
  4. Step 4: Simplify right side
    2,875,969.45x = 7,101,201,358,277.23
  5. Step 5: Solve for x
    x = 7,101,201,358,277.23/2,875,969.45
  6. Step 6: Final answer
    x = 2,469,150.48

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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.