Home / 3,429,679.19-5,140,034.07-1,405,553.28

Finding the Fourth Proportional to 3,429,679.19, 5,140,034.07 and 1,405,553.28

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Solution

The fourth proportional to 3,429,679.19, 5,140,034.07 and 1,405,553.28 is: 2,106,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,679.19 : 5,140,034.07 = 1,405,553.28 : x
  2. Step 2: Convert to fraction form
    3,429,679.19/5,140,034.07 = 1,405,553.28/x
  3. Step 3: Cross multiply
    3,429,679.19x = 5,140,034.07 × 1,405,553.28
  4. Step 4: Simplify right side
    3,429,679.19x = 7,224,591,739,372.49
  5. Step 5: Solve for x
    x = 7,224,591,739,372.49/3,429,679.19
  6. Step 6: Final answer
    x = 2,106,491.99

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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.