Home / 2,968,779.72-4,449,626.10-1,621,281

Finding the Fourth Proportional to 2,968,779.72, 4,449,626.10 and 1,621,281

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Solution

The fourth proportional to 2,968,779.72, 4,449,626.10 and 1,621,281 is: 2,429,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,779.72 : 4,449,626.10 = 1,621,281 : x
  2. Step 2: Convert to fraction form
    2,968,779.72/4,449,626.10 = 1,621,281/x
  3. Step 3: Cross multiply
    2,968,779.72x = 4,449,626.10 × 1,621,281
  4. Step 4: Simplify right side
    2,968,779.72x = 7,214,094,253,034.10
  5. Step 5: Solve for x
    x = 7,214,094,253,034.10/2,968,779.72
  6. Step 6: Final answer
    x = 2,429,986.37

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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.