Home / 3,885,125.80-5,827,688.70-3,507,212.20

Finding the Fourth Proportional to 3,885,125.80, 5,827,688.70 and 3,507,212.20

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Solution

The fourth proportional to 3,885,125.80, 5,827,688.70 and 3,507,212.20 is: 5,260,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,125.80 : 5,827,688.70 = 3,507,212.20 : x
  2. Step 2: Convert to fraction form
    3,885,125.80/5,827,688.70 = 3,507,212.20/x
  3. Step 3: Cross multiply
    3,885,125.80x = 5,827,688.70 × 3,507,212.20
  4. Step 4: Simplify right side
    3,885,125.80x = 20,438,940,906,442.14
  5. Step 5: Solve for x
    x = 20,438,940,906,442.14/3,885,125.80
  6. Step 6: Final answer
    x = 5,260,818.30

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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.