Home / 2,277,812.87-3,143,465.66-1,245,389.39

Finding the Fourth Proportional to 2,277,812.87, 3,143,465.66 and 1,245,389.39

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Solution

The fourth proportional to 2,277,812.87, 3,143,465.66 and 1,245,389.39 is: 1,718,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,812.87 : 3,143,465.66 = 1,245,389.39 : x
  2. Step 2: Convert to fraction form
    2,277,812.87/3,143,465.66 = 1,245,389.39/x
  3. Step 3: Cross multiply
    2,277,812.87x = 3,143,465.66 × 1,245,389.39
  4. Step 4: Simplify right side
    2,277,812.87x = 3,914,838,774,566.40
  5. Step 5: Solve for x
    x = 3,914,838,774,566.40/2,277,812.87
  6. Step 6: Final answer
    x = 1,718,683.23

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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.