Home / 1,478,163.20-2,217,244.80-1,464,166.40

Finding the Fourth Proportional to 1,478,163.20, 2,217,244.80 and 1,464,166.40

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Solution

The fourth proportional to 1,478,163.20, 2,217,244.80 and 1,464,166.40 is: 2,196,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,163.20 : 2,217,244.80 = 1,464,166.40 : x
  2. Step 2: Convert to fraction form
    1,478,163.20/2,217,244.80 = 1,464,166.40/x
  3. Step 3: Cross multiply
    1,478,163.20x = 2,217,244.80 × 1,464,166.40
  4. Step 4: Simplify right side
    1,478,163.20x = 3,246,415,336,734.72
  5. Step 5: Solve for x
    x = 3,246,415,336,734.72/1,478,163.20
  6. Step 6: Final answer
    x = 2,196,249.60

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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.