Home / 2,617,280.48-3,925,921.68-820,303.44

Finding the Fourth Proportional to 2,617,280.48, 3,925,921.68 and 820,303.44

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Solution

The fourth proportional to 2,617,280.48, 3,925,921.68 and 820,303.44 is: 1,230,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,280.48 : 3,925,921.68 = 820,303.44 : x
  2. Step 2: Convert to fraction form
    2,617,280.48/3,925,921.68 = 820,303.44/x
  3. Step 3: Cross multiply
    2,617,280.48x = 3,925,921.68 × 820,303.44
  4. Step 4: Simplify right side
    2,617,280.48x = 3,220,447,059,274.58
  5. Step 5: Solve for x
    x = 3,220,447,059,274.58/2,617,280.48
  6. Step 6: Final answer
    x = 1,230,455.46

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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.