Home / 5,220,798.18-7,836,919.91-4,148,205.90

Finding the Fourth Proportional to 5,220,798.18, 7,836,919.91 and 4,148,205.90

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Solution

The fourth proportional to 5,220,798.18, 7,836,919.91 and 4,148,205.90 is: 6,226,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,798.18 : 7,836,919.91 = 4,148,205.90 : x
  2. Step 2: Convert to fraction form
    5,220,798.18/7,836,919.91 = 4,148,205.90/x
  3. Step 3: Cross multiply
    5,220,798.18x = 7,836,919.91 × 4,148,205.90
  4. Step 4: Simplify right side
    5,220,798.18x = 32,509,157,408,489.47
  5. Step 5: Solve for x
    x = 32,509,157,408,489.47/5,220,798.18
  6. Step 6: Final answer
    x = 6,226,855.80

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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.