Home / 3,643,320.52-5,028,208.77-3,030,391.90

Finding the Fourth Proportional to 3,643,320.52, 5,028,208.77 and 3,030,391.90

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Solution

The fourth proportional to 3,643,320.52, 5,028,208.77 and 3,030,391.90 is: 4,182,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,320.52 : 5,028,208.77 = 3,030,391.90 : x
  2. Step 2: Convert to fraction form
    3,643,320.52/5,028,208.77 = 3,030,391.90/x
  3. Step 3: Cross multiply
    3,643,320.52x = 5,028,208.77 × 3,030,391.90
  4. Step 4: Simplify right side
    3,643,320.52x = 15,237,443,128,116.96
  5. Step 5: Solve for x
    x = 15,237,443,128,116.96/3,643,320.52
  6. Step 6: Final answer
    x = 4,182,295.53

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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.