Home / 2,792,880.63-4,189,313.39-743,541.21

Finding the Fourth Proportional to 2,792,880.63, 4,189,313.39 and 743,541.21

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Solution

The fourth proportional to 2,792,880.63, 4,189,313.39 and 743,541.21 is: 1,115,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,880.63 : 4,189,313.39 = 743,541.21 : x
  2. Step 2: Convert to fraction form
    2,792,880.63/4,189,313.39 = 743,541.21/x
  3. Step 3: Cross multiply
    2,792,880.63x = 4,189,313.39 × 743,541.21
  4. Step 4: Simplify right side
    2,792,880.63x = 3,114,927,143,352.10
  5. Step 5: Solve for x
    x = 3,114,927,143,352.10/2,792,880.63
  6. Step 6: Final answer
    x = 1,115,309.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.