Home / 5,436,438.40-8,154,657.60-4,895,228.80

Finding the Fourth Proportional to 5,436,438.40, 8,154,657.60 and 4,895,228.80

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Solution

The fourth proportional to 5,436,438.40, 8,154,657.60 and 4,895,228.80 is: 7,342,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436,438.40 : 8,154,657.60 = 4,895,228.80 : x
  2. Step 2: Convert to fraction form
    5,436,438.40/8,154,657.60 = 4,895,228.80/x
  3. Step 3: Cross multiply
    5,436,438.40x = 8,154,657.60 × 4,895,228.80
  4. Step 4: Simplify right side
    5,436,438.40x = 39,918,914,737,658.88
  5. Step 5: Solve for x
    x = 39,918,914,737,658.88/5,436,438.40
  6. Step 6: Final answer
    x = 7,342,843.20

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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.