Home / 5,212,223.90-7,192,864.17-2,920,401

Finding the Fourth Proportional to 5,212,223.90, 7,192,864.17 and 2,920,401

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Solution

The fourth proportional to 5,212,223.90, 7,192,864.17 and 2,920,401 is: 4,030,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,223.90 : 7,192,864.17 = 2,920,401 : x
  2. Step 2: Convert to fraction form
    5,212,223.90/7,192,864.17 = 2,920,401/x
  3. Step 3: Cross multiply
    5,212,223.90x = 7,192,864.17 × 2,920,401
  4. Step 4: Simplify right side
    5,212,223.90x = 21,006,047,714,932.17
  5. Step 5: Solve for x
    x = 21,006,047,714,932.17/5,212,223.90
  6. Step 6: Final answer
    x = 4,030,150.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.