Home / 3,639,420.59-5,459,830.72-1,395,383.63

Finding the Fourth Proportional to 3,639,420.59, 5,459,830.72 and 1,395,383.63

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Solution

The fourth proportional to 3,639,420.59, 5,459,830.72 and 1,395,383.63 is: 2,093,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,420.59 : 5,459,830.72 = 1,395,383.63 : x
  2. Step 2: Convert to fraction form
    3,639,420.59/5,459,830.72 = 1,395,383.63/x
  3. Step 3: Cross multiply
    3,639,420.59x = 5,459,830.72 × 1,395,383.63
  4. Step 4: Simplify right side
    3,639,420.59x = 7,618,558,378,471.50
  5. Step 5: Solve for x
    x = 7,618,558,378,471.50/3,639,420.59
  6. Step 6: Final answer
    x = 2,093,343.76

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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.