Home / 3,124,413.80-4,686,620.70-994,713.20

Finding the Fourth Proportional to 3,124,413.80, 4,686,620.70 and 994,713.20

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Solution

The fourth proportional to 3,124,413.80, 4,686,620.70 and 994,713.20 is: 1,492,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,413.80 : 4,686,620.70 = 994,713.20 : x
  2. Step 2: Convert to fraction form
    3,124,413.80/4,686,620.70 = 994,713.20/x
  3. Step 3: Cross multiply
    3,124,413.80x = 4,686,620.70 × 994,713.20
  4. Step 4: Simplify right side
    3,124,413.80x = 4,661,843,473,683.24
  5. Step 5: Solve for x
    x = 4,661,843,473,683.24/3,124,413.80
  6. Step 6: Final answer
    x = 1,492,069.80

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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.