Home / 4,920,209.70-7,381,351.35-2,078,859.30

Finding the Fourth Proportional to 4,920,209.70, 7,381,351.35 and 2,078,859.30

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Solution

The fourth proportional to 4,920,209.70, 7,381,351.35 and 2,078,859.30 is: 3,118,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,209.70 : 7,381,351.35 = 2,078,859.30 : x
  2. Step 2: Convert to fraction form
    4,920,209.70/7,381,351.35 = 2,078,859.30/x
  3. Step 3: Cross multiply
    4,920,209.70x = 7,381,351.35 × 2,078,859.30
  4. Step 4: Simplify right side
    4,920,209.70x = 15,344,790,900,515.05
  5. Step 5: Solve for x
    x = 15,344,790,900,515.05/4,920,209.70
  6. Step 6: Final answer
    x = 3,118,727.01

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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.