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Finding the Fourth Proportional to 2,579,584.08, 3,869,385.12 and 782,483.04

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Solution

The fourth proportional to 2,579,584.08, 3,869,385.12 and 782,483.04 is: 1,173,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,584.08 : 3,869,385.12 = 782,483.04 : x
  2. Step 2: Convert to fraction form
    2,579,584.08/3,869,385.12 = 782,483.04/x
  3. Step 3: Cross multiply
    2,579,584.08x = 3,869,385.12 × 782,483.04
  4. Step 4: Simplify right side
    2,579,584.08x = 3,027,728,231,628.37
  5. Step 5: Solve for x
    x = 3,027,728,231,628.37/2,579,584.08
  6. Step 6: Final answer
    x = 1,173,727.29

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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.