Home / 3,880,876.36-5,355,376.14-2,161,690.24

Finding the Fourth Proportional to 3,880,876.36, 5,355,376.14 and 2,161,690.24

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Solution

The fourth proportional to 3,880,876.36, 5,355,376.14 and 2,161,690.24 is: 2,983,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,876.36 : 5,355,376.14 = 2,161,690.24 : x
  2. Step 2: Convert to fraction form
    3,880,876.36/5,355,376.14 = 2,161,690.24/x
  3. Step 3: Cross multiply
    3,880,876.36x = 5,355,376.14 × 2,161,690.24
  4. Step 4: Simplify right side
    3,880,876.36x = 11,576,664,333,366.88
  5. Step 5: Solve for x
    x = 11,576,664,333,366.88/3,880,876.36
  6. Step 6: Final answer
    x = 2,983,002.62

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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.