Home / 4,990,127.72-7,486,012.71-1,531,780.54

Finding the Fourth Proportional to 4,990,127.72, 7,486,012.71 and 1,531,780.54

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Solution

The fourth proportional to 4,990,127.72, 7,486,012.71 and 1,531,780.54 is: 2,297,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,127.72 : 7,486,012.71 = 1,531,780.54 : x
  2. Step 2: Convert to fraction form
    4,990,127.72/7,486,012.71 = 1,531,780.54/x
  3. Step 3: Cross multiply
    4,990,127.72x = 7,486,012.71 × 1,531,780.54
  4. Step 4: Simplify right side
    4,990,127.72x = 11,466,928,572,655.63
  5. Step 5: Solve for x
    x = 11,466,928,572,655.63/4,990,127.72
  6. Step 6: Final answer
    x = 2,297,922.86

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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.