Home / 3,639,417.21-5,459,825.66-1,395,380.25

Finding the Fourth Proportional to 3,639,417.21, 5,459,825.66 and 1,395,380.25

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Solution

The fourth proportional to 3,639,417.21, 5,459,825.66 and 1,395,380.25 is: 2,093,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,417.21 : 5,459,825.66 = 1,395,380.25 : x
  2. Step 2: Convert to fraction form
    3,639,417.21/5,459,825.66 = 1,395,380.25/x
  3. Step 3: Cross multiply
    3,639,417.21x = 5,459,825.66 × 1,395,380.25
  4. Step 4: Simplify right side
    3,639,417.21x = 7,618,532,887,430.32
  5. Step 5: Solve for x
    x = 7,618,532,887,430.32/3,639,417.21
  6. Step 6: Final answer
    x = 2,093,338.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.