Home / 4,493,413.80-6,740,120.70-2,981,759.40

Finding the Fourth Proportional to 4,493,413.80, 6,740,120.70 and 2,981,759.40

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Solution

The fourth proportional to 4,493,413.80, 6,740,120.70 and 2,981,759.40 is: 4,472,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493,413.80 : 6,740,120.70 = 2,981,759.40 : x
  2. Step 2: Convert to fraction form
    4,493,413.80/6,740,120.70 = 2,981,759.40/x
  3. Step 3: Cross multiply
    4,493,413.80x = 6,740,120.70 × 2,981,759.40
  4. Step 4: Simplify right side
    4,493,413.80x = 20,097,418,254,359.58
  5. Step 5: Solve for x
    x = 20,097,418,254,359.58/4,493,413.80
  6. Step 6: Final answer
    x = 4,472,639.10

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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.