Home / 2,159,474.83-3,239,817.61-945,157.20

Finding the Fourth Proportional to 2,159,474.83, 3,239,817.61 and 945,157.20

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Solution

The fourth proportional to 2,159,474.83, 3,239,817.61 and 945,157.20 is: 1,418,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,474.83 : 3,239,817.61 = 945,157.20 : x
  2. Step 2: Convert to fraction form
    2,159,474.83/3,239,817.61 = 945,157.20/x
  3. Step 3: Cross multiply
    2,159,474.83x = 3,239,817.61 × 945,157.20
  4. Step 4: Simplify right side
    2,159,474.83x = 3,062,136,938,415.40
  5. Step 5: Solve for x
    x = 3,062,136,938,415.40/2,159,474.83
  6. Step 6: Final answer
    x = 1,418,000.76

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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.