Home / 3,085,779.87-4,629,408.81-1,287,663.09

Finding the Fourth Proportional to 3,085,779.87, 4,629,408.81 and 1,287,663.09

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Solution

The fourth proportional to 3,085,779.87, 4,629,408.81 and 1,287,663.09 is: 1,931,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,779.87 : 4,629,408.81 = 1,287,663.09 : x
  2. Step 2: Convert to fraction form
    3,085,779.87/4,629,408.81 = 1,287,663.09/x
  3. Step 3: Cross multiply
    3,085,779.87x = 4,629,408.81 × 1,287,663.09
  4. Step 4: Simplify right side
    3,085,779.87x = 5,961,118,853,157.82
  5. Step 5: Solve for x
    x = 5,961,118,853,157.82/3,085,779.87
  6. Step 6: Final answer
    x = 1,931,803.01

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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.