Home / 2,789,173.90-4,186,002.52-1,441,731.20

Finding the Fourth Proportional to 2,789,173.90, 4,186,002.52 and 1,441,731.20

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Solution

The fourth proportional to 2,789,173.90, 4,186,002.52 and 1,441,731.20 is: 2,163,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,173.90 : 4,186,002.52 = 1,441,731.20 : x
  2. Step 2: Convert to fraction form
    2,789,173.90/4,186,002.52 = 1,441,731.20/x
  3. Step 3: Cross multiply
    2,789,173.90x = 4,186,002.52 × 1,441,731.20
  4. Step 4: Simplify right side
    2,789,173.90x = 6,035,090,436,362.62
  5. Step 5: Solve for x
    x = 6,035,090,436,362.62/2,789,173.90
  6. Step 6: Final answer
    x = 2,163,755.53

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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.