Home / 2,864,556-3,953,186.64-1,575,493.92

Finding the Fourth Proportional to 2,864,556, 3,953,186.64 and 1,575,493.92

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Solution

The fourth proportional to 2,864,556, 3,953,186.64 and 1,575,493.92 is: 2,174,236.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,556 : 3,953,186.64 = 1,575,493.92 : x
  2. Step 2: Convert to fraction form
    2,864,556/3,953,186.64 = 1,575,493.92/x
  3. Step 3: Cross multiply
    2,864,556x = 3,953,186.64 × 1,575,493.92
  4. Step 4: Simplify right side
    2,864,556x = 6,228,221,515,945.23
  5. Step 5: Solve for x
    x = 6,228,221,515,945.23/2,864,556
  6. Step 6: Final answer
    x = 2,174,236.26

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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.