Home / 3,545,903.20-5,317,299.60-1,415,279.20

Finding the Fourth Proportional to 3,545,903.20, 5,317,299.60 and 1,415,279.20

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Solution

The fourth proportional to 3,545,903.20, 5,317,299.60 and 1,415,279.20 is: 2,122,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,903.20 : 5,317,299.60 = 1,415,279.20 : x
  2. Step 2: Convert to fraction form
    3,545,903.20/5,317,299.60 = 1,415,279.20/x
  3. Step 3: Cross multiply
    3,545,903.20x = 5,317,299.60 × 1,415,279.20
  4. Step 4: Simplify right side
    3,545,903.20x = 7,525,463,524,048.32
  5. Step 5: Solve for x
    x = 7,525,463,524,048.32/3,545,903.20
  6. Step 6: Final answer
    x = 2,122,298.07

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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.