Home / 3,520,401.20-5,273,603.40-1,920,100.40

Finding the Fourth Proportional to 3,520,401.20, 5,273,603.40 and 1,920,100.40

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Solution

The fourth proportional to 3,520,401.20, 5,273,603.40 and 1,920,100.40 is: 2,876,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,401.20 : 5,273,603.40 = 1,920,100.40 : x
  2. Step 2: Convert to fraction form
    3,520,401.20/5,273,603.40 = 1,920,100.40/x
  3. Step 3: Cross multiply
    3,520,401.20x = 5,273,603.40 × 1,920,100.40
  4. Step 4: Simplify right side
    3,520,401.20x = 10,125,847,997,781.36
  5. Step 5: Solve for x
    x = 10,125,847,997,781.36/3,520,401.20
  6. Step 6: Final answer
    x = 2,876,333.53

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1.5x scale

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.