Home / 2,653,619.20-3,979,651.20-947,564.80

Finding the Fourth Proportional to 2,653,619.20, 3,979,651.20 and 947,564.80

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Solution

The fourth proportional to 2,653,619.20, 3,979,651.20 and 947,564.80 is: 1,421,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,619.20 : 3,979,651.20 = 947,564.80 : x
  2. Step 2: Convert to fraction form
    2,653,619.20/3,979,651.20 = 947,564.80/x
  3. Step 3: Cross multiply
    2,653,619.20x = 3,979,651.20 × 947,564.80
  4. Step 4: Simplify right side
    2,653,619.20x = 3,770,977,393,397.76
  5. Step 5: Solve for x
    x = 3,770,977,393,397.76/2,653,619.20
  6. Step 6: Final answer
    x = 1,421,069.53

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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.