Home / 3,880,556.10-5,355,328.77-2,161,676.16

Finding the Fourth Proportional to 3,880,556.10, 5,355,328.77 and 2,161,676.16

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Solution

The fourth proportional to 3,880,556.10, 5,355,328.77 and 2,161,676.16 is: 2,983,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,556.10 : 5,355,328.77 = 2,161,676.16 : x
  2. Step 2: Convert to fraction form
    3,880,556.10/5,355,328.77 = 2,161,676.16/x
  3. Step 3: Cross multiply
    3,880,556.10x = 5,355,328.77 × 2,161,676.16
  4. Step 4: Simplify right side
    3,880,556.10x = 11,576,486,531,071.12
  5. Step 5: Solve for x
    x = 11,576,486,531,071.12/3,880,556.10
  6. Step 6: Final answer
    x = 2,983,202.98

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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.