Home / 5,074,578.21-7,611,484.53-1,616,178.18

Finding the Fourth Proportional to 5,074,578.21, 7,611,484.53 and 1,616,178.18

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Solution

The fourth proportional to 5,074,578.21, 7,611,484.53 and 1,616,178.18 is: 2,424,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074,578.21 : 7,611,484.53 = 1,616,178.18 : x
  2. Step 2: Convert to fraction form
    5,074,578.21/7,611,484.53 = 1,616,178.18/x
  3. Step 3: Cross multiply
    5,074,578.21x = 7,611,484.53 × 1,616,178.18
  4. Step 4: Simplify right side
    5,074,578.21x = 12,301,515,214,793.55
  5. Step 5: Solve for x
    x = 12,301,515,214,793.55/5,074,578.21
  6. Step 6: Final answer
    x = 2,424,145.36

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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.