Home / 4,345,226.40-6,520,172.40-1,821,136.80

Finding the Fourth Proportional to 4,345,226.40, 6,520,172.40 and 1,821,136.80

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Solution

The fourth proportional to 4,345,226.40, 6,520,172.40 and 1,821,136.80 is: 2,732,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,226.40 : 6,520,172.40 = 1,821,136.80 : x
  2. Step 2: Convert to fraction form
    4,345,226.40/6,520,172.40 = 1,821,136.80/x
  3. Step 3: Cross multiply
    4,345,226.40x = 6,520,172.40 × 1,821,136.80
  4. Step 4: Simplify right side
    4,345,226.40x = 11,874,125,899,984.32
  5. Step 5: Solve for x
    x = 11,874,125,899,984.32/4,345,226.40
  6. Step 6: Final answer
    x = 2,732,682.90

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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.