Home / 4,700,419.20-7,051,147.20-1,505,001.60

Finding the Fourth Proportional to 4,700,419.20, 7,051,147.20 and 1,505,001.60

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Solution

The fourth proportional to 4,700,419.20, 7,051,147.20 and 1,505,001.60 is: 2,257,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700,419.20 : 7,051,147.20 = 1,505,001.60 : x
  2. Step 2: Convert to fraction form
    4,700,419.20/7,051,147.20 = 1,505,001.60/x
  3. Step 3: Cross multiply
    4,700,419.20x = 7,051,147.20 × 1,505,001.60
  4. Step 4: Simplify right side
    4,700,419.20x = 10,611,987,817,835.52
  5. Step 5: Solve for x
    x = 10,611,987,817,835.52/4,700,419.20
  6. Step 6: Final answer
    x = 2,257,668.38

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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.