Home / 3,120,972-4,307,291.82-1,762,932.48

Finding the Fourth Proportional to 3,120,972, 4,307,291.82 and 1,762,932.48

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Solution

The fourth proportional to 3,120,972, 4,307,291.82 and 1,762,932.48 is: 2,433,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,972 : 4,307,291.82 = 1,762,932.48 : x
  2. Step 2: Convert to fraction form
    3,120,972/4,307,291.82 = 1,762,932.48/x
  3. Step 3: Cross multiply
    3,120,972x = 4,307,291.82 × 1,762,932.48
  4. Step 4: Simplify right side
    3,120,972x = 7,593,464,650,316.32
  5. Step 5: Solve for x
    x = 7,593,464,650,316.32/3,120,972
  6. Step 6: Final answer
    x = 2,433,044.79

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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.