Home / 3,456,644.60-5,184,966.90-2,181,186.20

Finding the Fourth Proportional to 3,456,644.60, 5,184,966.90 and 2,181,186.20

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Solution

The fourth proportional to 3,456,644.60, 5,184,966.90 and 2,181,186.20 is: 3,271,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,644.60 : 5,184,966.90 = 2,181,186.20 : x
  2. Step 2: Convert to fraction form
    3,456,644.60/5,184,966.90 = 2,181,186.20/x
  3. Step 3: Cross multiply
    3,456,644.60x = 5,184,966.90 × 2,181,186.20
  4. Step 4: Simplify right side
    3,456,644.60x = 11,309,378,249,736.78
  5. Step 5: Solve for x
    x = 11,309,378,249,736.78/3,456,644.60
  6. Step 6: Final answer
    x = 3,271,779.30

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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.