Home / 2,280,557.63-3,147,033.87-1,247,859.41

Finding the Fourth Proportional to 2,280,557.63, 3,147,033.87 and 1,247,859.41

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Solution

The fourth proportional to 2,280,557.63, 3,147,033.87 and 1,247,859.41 is: 1,721,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,557.63 : 3,147,033.87 = 1,247,859.41 : x
  2. Step 2: Convert to fraction form
    2,280,557.63/3,147,033.87 = 1,247,859.41/x
  3. Step 3: Cross multiply
    2,280,557.63x = 3,147,033.87 × 1,247,859.41
  4. Step 4: Simplify right side
    2,280,557.63x = 3,927,055,812,533.05
  5. Step 5: Solve for x
    x = 3,927,055,812,533.05/2,280,557.63
  6. Step 6: Final answer
    x = 1,721,971.75

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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.