Home / 2,021,621.10-3,031,556.85-823,145.10

Finding the Fourth Proportional to 2,021,621.10, 3,031,556.85 and 823,145.10

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Solution

The fourth proportional to 2,021,621.10, 3,031,556.85 and 823,145.10 is: 1,234,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,621.10 : 3,031,556.85 = 823,145.10 : x
  2. Step 2: Convert to fraction form
    2,021,621.10/3,031,556.85 = 823,145.10/x
  3. Step 3: Cross multiply
    2,021,621.10x = 3,031,556.85 × 823,145.10
  4. Step 4: Simplify right side
    2,021,621.10x = 2,495,411,166,448.94
  5. Step 5: Solve for x
    x = 2,495,411,166,448.94/2,021,621.10
  6. Step 6: Final answer
    x = 1,234,361.46

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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.