Home / 3,521,815.20-5,285,090.16-1,247,331.42

Finding the Fourth Proportional to 3,521,815.20, 5,285,090.16 and 1,247,331.42

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Solution

The fourth proportional to 3,521,815.20, 5,285,090.16 and 1,247,331.42 is: 1,871,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,815.20 : 5,285,090.16 = 1,247,331.42 : x
  2. Step 2: Convert to fraction form
    3,521,815.20/5,285,090.16 = 1,247,331.42/x
  3. Step 3: Cross multiply
    3,521,815.20x = 5,285,090.16 × 1,247,331.42
  4. Step 4: Simplify right side
    3,521,815.20x = 6,592,259,014,100.83
  5. Step 5: Solve for x
    x = 6,592,259,014,100.83/3,521,815.20
  6. Step 6: Final answer
    x = 1,871,835.58

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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.