Home / 3,542,435.40-5,305,779.90-2,912,579.40

Finding the Fourth Proportional to 3,542,435.40, 5,305,779.90 and 2,912,579.40

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Solution

The fourth proportional to 3,542,435.40, 5,305,779.90 and 2,912,579.40 is: 4,362,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,435.40 : 5,305,779.90 = 2,912,579.40 : x
  2. Step 2: Convert to fraction form
    3,542,435.40/5,305,779.90 = 2,912,579.40/x
  3. Step 3: Cross multiply
    3,542,435.40x = 5,305,779.90 × 2,912,579.40
  4. Step 4: Simplify right side
    3,542,435.40x = 15,453,505,237,674.06
  5. Step 5: Solve for x
    x = 15,453,505,237,674.06/3,542,435.40
  6. Step 6: Final answer
    x = 4,362,395.78

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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.