Home / 3,880,384.30-5,821,477.04-1,321,621.46

Finding the Fourth Proportional to 3,880,384.30, 5,821,477.04 and 1,321,621.46

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Solution

The fourth proportional to 3,880,384.30, 5,821,477.04 and 1,321,621.46 is: 1,982,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,384.30 : 5,821,477.04 = 1,321,621.46 : x
  2. Step 2: Convert to fraction form
    3,880,384.30/5,821,477.04 = 1,321,621.46/x
  3. Step 3: Cross multiply
    3,880,384.30x = 5,821,477.04 × 1,321,621.46
  4. Step 4: Simplify right side
    3,880,384.30x = 7,693,789,006,300.17
  5. Step 5: Solve for x
    x = 7,693,789,006,300.17/3,880,384.30
  6. Step 6: Final answer
    x = 1,982,738.93

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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.