Home / 2,831,513.61-4,247,515.08-782,173.45

Finding the Fourth Proportional to 2,831,513.61, 4,247,515.08 and 782,173.45

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Solution

The fourth proportional to 2,831,513.61, 4,247,515.08 and 782,173.45 is: 1,173,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,513.61 : 4,247,515.08 = 782,173.45 : x
  2. Step 2: Convert to fraction form
    2,831,513.61/4,247,515.08 = 782,173.45/x
  3. Step 3: Cross multiply
    2,831,513.61x = 4,247,515.08 × 782,173.45
  4. Step 4: Simplify right side
    2,831,513.61x = 3,322,293,524,050.63
  5. Step 5: Solve for x
    x = 3,322,293,524,050.63/2,831,513.61
  6. Step 6: Final answer
    x = 1,173,327.76

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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.