Home / 4,920,763.20-7,381,144.80-4,322,892.08

Finding the Fourth Proportional to 4,920,763.20, 7,381,144.80 and 4,322,892.08

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Solution

The fourth proportional to 4,920,763.20, 7,381,144.80 and 4,322,892.08 is: 6,484,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,763.20 : 7,381,144.80 = 4,322,892.08 : x
  2. Step 2: Convert to fraction form
    4,920,763.20/7,381,144.80 = 4,322,892.08/x
  3. Step 3: Cross multiply
    4,920,763.20x = 7,381,144.80 × 4,322,892.08
  4. Step 4: Simplify right side
    4,920,763.20x = 31,907,892,360,347.46
  5. Step 5: Solve for x
    x = 31,907,892,360,347.46/4,920,763.20
  6. Step 6: Final answer
    x = 6,484,338.11

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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.