Home / 5,120,646.21-7,684,748.82-2,424,966.21

Finding the Fourth Proportional to 5,120,646.21, 7,684,748.82 and 2,424,966.21

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Solution

The fourth proportional to 5,120,646.21, 7,684,748.82 and 2,424,966.21 is: 3,639,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,646.21 : 7,684,748.82 = 2,424,966.21 : x
  2. Step 2: Convert to fraction form
    5,120,646.21/7,684,748.82 = 2,424,966.21/x
  3. Step 3: Cross multiply
    5,120,646.21x = 7,684,748.82 × 2,424,966.21
  4. Step 4: Simplify right side
    5,120,646.21x = 18,635,256,220,837.37
  5. Step 5: Solve for x
    x = 18,635,256,220,837.37/5,120,646.21
  6. Step 6: Final answer
    x = 3,639,239.16

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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.