Home / 3,478,413.60-5,217,620.40-954,064.80

Finding the Fourth Proportional to 3,478,413.60, 5,217,620.40 and 954,064.80

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Solution

The fourth proportional to 3,478,413.60, 5,217,620.40 and 954,064.80 is: 1,431,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,413.60 : 5,217,620.40 = 954,064.80 : x
  2. Step 2: Convert to fraction form
    3,478,413.60/5,217,620.40 = 954,064.80/x
  3. Step 3: Cross multiply
    3,478,413.60x = 5,217,620.40 × 954,064.80
  4. Step 4: Simplify right side
    3,478,413.60x = 4,977,947,963,401.92
  5. Step 5: Solve for x
    x = 4,977,947,963,401.92/3,478,413.60
  6. Step 6: Final answer
    x = 1,431,097.20

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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.