Home / 4,647,932.70-6,971,899.05-3,136,278.30

Finding the Fourth Proportional to 4,647,932.70, 6,971,899.05 and 3,136,278.30

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Solution

The fourth proportional to 4,647,932.70, 6,971,899.05 and 3,136,278.30 is: 4,704,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,932.70 : 6,971,899.05 = 3,136,278.30 : x
  2. Step 2: Convert to fraction form
    4,647,932.70/6,971,899.05 = 3,136,278.30/x
  3. Step 3: Cross multiply
    4,647,932.70x = 6,971,899.05 × 3,136,278.30
  4. Step 4: Simplify right side
    4,647,932.70x = 21,865,815,700,305.61
  5. Step 5: Solve for x
    x = 21,865,815,700,305.61/4,647,932.70
  6. Step 6: Final answer
    x = 4,704,417.45

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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.