Home / 3,280,983.60-4,922,857.80-1,786,148.40

Finding the Fourth Proportional to 3,280,983.60, 4,922,857.80 and 1,786,148.40

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Solution

The fourth proportional to 3,280,983.60, 4,922,857.80 and 1,786,148.40 is: 2,679,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,983.60 : 4,922,857.80 = 1,786,148.40 : x
  2. Step 2: Convert to fraction form
    3,280,983.60/4,922,857.80 = 1,786,148.40/x
  3. Step 3: Cross multiply
    3,280,983.60x = 4,922,857.80 × 1,786,148.40
  4. Step 4: Simplify right side
    3,280,983.60x = 8,792,954,582,897.52
  5. Step 5: Solve for x
    x = 8,792,954,582,897.52/3,280,983.60
  6. Step 6: Final answer
    x = 2,679,975.17

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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.