Home / 3,880,558.10-5,355,331.54-2,161,678.16

Finding the Fourth Proportional to 3,880,558.10, 5,355,331.54 and 2,161,678.16

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Solution

The fourth proportional to 3,880,558.10, 5,355,331.54 and 2,161,678.16 is: 2,983,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,558.10 : 5,355,331.54 = 2,161,678.16 : x
  2. Step 2: Convert to fraction form
    3,880,558.10/5,355,331.54 = 2,161,678.16/x
  3. Step 3: Cross multiply
    3,880,558.10x = 5,355,331.54 × 2,161,678.16
  4. Step 4: Simplify right side
    3,880,558.10x = 11,576,503,229,577.17
  5. Step 5: Solve for x
    x = 11,576,503,229,577.17/3,880,558.10
  6. Step 6: Final answer
    x = 2,983,205.75

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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.