Home / 4,815,175.40-7,220,663.26-1,821,259.88

Finding the Fourth Proportional to 4,815,175.40, 7,220,663.26 and 1,821,259.88

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Solution

The fourth proportional to 4,815,175.40, 7,220,663.26 and 1,821,259.88 is: 2,731,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,175.40 : 7,220,663.26 = 1,821,259.88 : x
  2. Step 2: Convert to fraction form
    4,815,175.40/7,220,663.26 = 1,821,259.88/x
  3. Step 3: Cross multiply
    4,815,175.40x = 7,220,663.26 × 1,821,259.88
  4. Step 4: Simplify right side
    4,815,175.40x = 13,150,704,302,428.01
  5. Step 5: Solve for x
    x = 13,150,704,302,428.01/4,815,175.40
  6. Step 6: Final answer
    x = 2,731,095.59

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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.