Home / 3,621,787.30-5,433,337.05-1,820,136.70

Finding the Fourth Proportional to 3,621,787.30, 5,433,337.05 and 1,820,136.70

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Solution

The fourth proportional to 3,621,787.30, 5,433,337.05 and 1,820,136.70 is: 2,730,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,787.30 : 5,433,337.05 = 1,820,136.70 : x
  2. Step 2: Convert to fraction form
    3,621,787.30/5,433,337.05 = 1,820,136.70/x
  3. Step 3: Cross multiply
    3,621,787.30x = 5,433,337.05 × 1,820,136.70
  4. Step 4: Simplify right side
    3,621,787.30x = 9,889,416,168,174.74
  5. Step 5: Solve for x
    x = 9,889,416,168,174.74/3,621,787.30
  6. Step 6: Final answer
    x = 2,730,534.77

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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.