Home / 4,920,906.30-7,381,359.45-3,401,378.70

Finding the Fourth Proportional to 4,920,906.30, 7,381,359.45 and 3,401,378.70

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Solution

The fourth proportional to 4,920,906.30, 7,381,359.45 and 3,401,378.70 is: 5,102,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,906.30 : 7,381,359.45 = 3,401,378.70 : x
  2. Step 2: Convert to fraction form
    4,920,906.30/7,381,359.45 = 3,401,378.70/x
  3. Step 3: Cross multiply
    4,920,906.30x = 7,381,359.45 × 3,401,378.70
  4. Step 4: Simplify right side
    4,920,906.30x = 25,106,798,810,273.72
  5. Step 5: Solve for x
    x = 25,106,798,810,273.72/4,920,906.30
  6. Step 6: Final answer
    x = 5,102,068.05

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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.