Home / 4,920,785.70-7,381,178.55-4,472,013.30

Finding the Fourth Proportional to 4,920,785.70, 7,381,178.55 and 4,472,013.30

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Solution

The fourth proportional to 4,920,785.70, 7,381,178.55 and 4,472,013.30 is: 6,708,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,785.70 : 7,381,178.55 = 4,472,013.30 : x
  2. Step 2: Convert to fraction form
    4,920,785.70/7,381,178.55 = 4,472,013.30/x
  3. Step 3: Cross multiply
    4,920,785.70x = 7,381,178.55 × 4,472,013.30
  4. Step 4: Simplify right side
    4,920,785.70x = 33,008,728,645,274.71
  5. Step 5: Solve for x
    x = 33,008,728,645,274.71/4,920,785.70
  6. Step 6: Final answer
    x = 6,708,019.95

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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.