Home / 3,985,285.60-5,977,928.40-3,654,611.20

Finding the Fourth Proportional to 3,985,285.60, 5,977,928.40 and 3,654,611.20

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Solution

The fourth proportional to 3,985,285.60, 5,977,928.40 and 3,654,611.20 is: 5,481,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,285.60 : 5,977,928.40 = 3,654,611.20 : x
  2. Step 2: Convert to fraction form
    3,985,285.60/5,977,928.40 = 3,654,611.20/x
  3. Step 3: Cross multiply
    3,985,285.60x = 5,977,928.40 × 3,654,611.20
  4. Step 4: Simplify right side
    3,985,285.60x = 21,847,004,083,438.08
  5. Step 5: Solve for x
    x = 21,847,004,083,438.08/3,985,285.60
  6. Step 6: Final answer
    x = 5,481,916.80

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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.