Home / 3,128,518.80-4,696,277.40-2,922,940.80

Finding the Fourth Proportional to 3,128,518.80, 4,696,277.40 and 2,922,940.80

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Solution

The fourth proportional to 3,128,518.80, 4,696,277.40 and 2,922,940.80 is: 4,387,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,518.80 : 4,696,277.40 = 2,922,940.80 : x
  2. Step 2: Convert to fraction form
    3,128,518.80/4,696,277.40 = 2,922,940.80/x
  3. Step 3: Cross multiply
    3,128,518.80x = 4,696,277.40 × 2,922,940.80
  4. Step 4: Simplify right side
    3,128,518.80x = 13,726,940,820,577.92
  5. Step 5: Solve for x
    x = 13,726,940,820,577.92/3,128,518.80
  6. Step 6: Final answer
    x = 4,387,680.46

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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.