Home / 2,570,005.20-3,855,007.80-1,375,611.60

Finding the Fourth Proportional to 2,570,005.20, 3,855,007.80 and 1,375,611.60

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Solution

The fourth proportional to 2,570,005.20, 3,855,007.80 and 1,375,611.60 is: 2,063,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,005.20 : 3,855,007.80 = 1,375,611.60 : x
  2. Step 2: Convert to fraction form
    2,570,005.20/3,855,007.80 = 1,375,611.60/x
  3. Step 3: Cross multiply
    2,570,005.20x = 3,855,007.80 × 1,375,611.60
  4. Step 4: Simplify right side
    2,570,005.20x = 5,302,993,447,770.48
  5. Step 5: Solve for x
    x = 5,302,993,447,770.48/2,570,005.20
  6. Step 6: Final answer
    x = 2,063,417.40

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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.