Home / 4,647,939.70-6,971,909.55-3,136,285.30

Finding the Fourth Proportional to 4,647,939.70, 6,971,909.55 and 3,136,285.30

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Solution

The fourth proportional to 4,647,939.70, 6,971,909.55 and 3,136,285.30 is: 4,704,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,939.70 : 6,971,909.55 = 3,136,285.30 : x
  2. Step 2: Convert to fraction form
    4,647,939.70/6,971,909.55 = 3,136,285.30/x
  3. Step 3: Cross multiply
    4,647,939.70x = 6,971,909.55 × 3,136,285.30
  4. Step 4: Simplify right side
    4,647,939.70x = 21,865,897,434,594.61
  5. Step 5: Solve for x
    x = 21,865,897,434,594.61/4,647,939.70
  6. Step 6: Final answer
    x = 4,704,427.95

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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.