Home / 3,645,211.26-5,030,465.69-1,991,465.48

Finding the Fourth Proportional to 3,645,211.26, 5,030,465.69 and 1,991,465.48

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Solution

The fourth proportional to 3,645,211.26, 5,030,465.69 and 1,991,465.48 is: 2,748,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,211.26 : 5,030,465.69 = 1,991,465.48 : x
  2. Step 2: Convert to fraction form
    3,645,211.26/5,030,465.69 = 1,991,465.48/x
  3. Step 3: Cross multiply
    3,645,211.26x = 5,030,465.69 × 1,991,465.48
  4. Step 4: Simplify right side
    3,645,211.26x = 10,017,998,782,535.54
  5. Step 5: Solve for x
    x = 10,017,998,782,535.54/3,645,211.26
  6. Step 6: Final answer
    x = 2,748,262.88

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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.