Home / 5,107,336.21-7,048,171.51-2,815,578.91

Finding the Fourth Proportional to 5,107,336.21, 7,048,171.51 and 2,815,578.91

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Solution

The fourth proportional to 5,107,336.21, 7,048,171.51 and 2,815,578.91 is: 3,885,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,336.21 : 7,048,171.51 = 2,815,578.91 : x
  2. Step 2: Convert to fraction form
    5,107,336.21/7,048,171.51 = 2,815,578.91/x
  3. Step 3: Cross multiply
    5,107,336.21x = 7,048,171.51 × 2,815,578.91
  4. Step 4: Simplify right side
    5,107,336.21x = 19,844,683,036,478.95
  5. Step 5: Solve for x
    x = 19,844,683,036,478.95/5,107,336.21
  6. Step 6: Final answer
    x = 3,885,525.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.