Home / 2,021,320.90-3,031,981.35-824,102.43

Finding the Fourth Proportional to 2,021,320.90, 3,031,981.35 and 824,102.43

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Solution

The fourth proportional to 2,021,320.90, 3,031,981.35 and 824,102.43 is: 1,236,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,320.90 : 3,031,981.35 = 824,102.43 : x
  2. Step 2: Convert to fraction form
    2,021,320.90/3,031,981.35 = 824,102.43/x
  3. Step 3: Cross multiply
    2,021,320.90x = 3,031,981.35 × 824,102.43
  4. Step 4: Simplify right side
    2,021,320.90x = 2,498,663,183,089.77
  5. Step 5: Solve for x
    x = 2,498,663,183,089.77/2,021,320.90
  6. Step 6: Final answer
    x = 1,236,153.64

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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.