Home / 5,147,281.82-7,103,255.51-2,855,442.51

Finding the Fourth Proportional to 5,147,281.82, 7,103,255.51 and 2,855,442.51

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Solution

The fourth proportional to 5,147,281.82, 7,103,255.51 and 2,855,442.51 is: 3,940,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,281.82 : 7,103,255.51 = 2,855,442.51 : x
  2. Step 2: Convert to fraction form
    5,147,281.82/7,103,255.51 = 2,855,442.51/x
  3. Step 3: Cross multiply
    5,147,281.82x = 7,103,255.51 × 2,855,442.51
  4. Step 4: Simplify right side
    5,147,281.82x = 20,282,937,749,784.34
  5. Step 5: Solve for x
    x = 20,282,937,749,784.34/5,147,281.82
  6. Step 6: Final answer
    x = 3,940,514.32

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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.