Home / 1,815,611.20-2,723,416.80-553,436.80

Finding the Fourth Proportional to 1,815,611.20, 2,723,416.80 and 553,436.80

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Solution

The fourth proportional to 1,815,611.20, 2,723,416.80 and 553,436.80 is: 830,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,611.20 : 2,723,416.80 = 553,436.80 : x
  2. Step 2: Convert to fraction form
    1,815,611.20/2,723,416.80 = 553,436.80/x
  3. Step 3: Cross multiply
    1,815,611.20x = 2,723,416.80 × 553,436.80
  4. Step 4: Simplify right side
    1,815,611.20x = 1,507,239,078,858.24
  5. Step 5: Solve for x
    x = 1,507,239,078,858.24/1,815,611.20
  6. Step 6: Final answer
    x = 830,155.20

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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.