Home / 4,280,163.32-6,418,378.74-1,618,905.08

Finding the Fourth Proportional to 4,280,163.32, 6,418,378.74 and 1,618,905.08

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Solution

The fourth proportional to 4,280,163.32, 6,418,378.74 and 1,618,905.08 is: 2,427,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,163.32 : 6,418,378.74 = 1,618,905.08 : x
  2. Step 2: Convert to fraction form
    4,280,163.32/6,418,378.74 = 1,618,905.08/x
  3. Step 3: Cross multiply
    4,280,163.32x = 6,418,378.74 × 1,618,905.08
  4. Step 4: Simplify right side
    4,280,163.32x = 10,390,745,947,550
  5. Step 5: Solve for x
    x = 10,390,745,947,550/4,280,163.32
  6. Step 6: Final answer
    x = 2,427,651.74

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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.