Home / 1,347,404.70-2,021,107.05-1,223,401.80

Finding the Fourth Proportional to 1,347,404.70, 2,021,107.05 and 1,223,401.80

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Solution

The fourth proportional to 1,347,404.70, 2,021,107.05 and 1,223,401.80 is: 1,835,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,404.70 : 2,021,107.05 = 1,223,401.80 : x
  2. Step 2: Convert to fraction form
    1,347,404.70/2,021,107.05 = 1,223,401.80/x
  3. Step 3: Cross multiply
    1,347,404.70x = 2,021,107.05 × 1,223,401.80
  4. Step 4: Simplify right side
    1,347,404.70x = 2,472,626,002,962.69
  5. Step 5: Solve for x
    x = 2,472,626,002,962.69/1,347,404.70
  6. Step 6: Final answer
    x = 1,835,102.70

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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.