Home / 3,238,977.80-4,861,404.30-1,642,651.40

Finding the Fourth Proportional to 3,238,977.80, 4,861,404.30 and 1,642,651.40

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Solution

The fourth proportional to 3,238,977.80, 4,861,404.30 and 1,642,651.40 is: 2,465,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,977.80 : 4,861,404.30 = 1,642,651.40 : x
  2. Step 2: Convert to fraction form
    3,238,977.80/4,861,404.30 = 1,642,651.40/x
  3. Step 3: Cross multiply
    3,238,977.80x = 4,861,404.30 × 1,642,651.40
  4. Step 4: Simplify right side
    3,238,977.80x = 7,985,592,579,361.02
  5. Step 5: Solve for x
    x = 7,985,592,579,361.02/3,238,977.80
  6. Step 6: Final answer
    x = 2,465,466.91

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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.