Home / 5,155,078.80-7,740,880.20-4,098,903.60

Finding the Fourth Proportional to 5,155,078.80, 7,740,880.20 and 4,098,903.60

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Solution

The fourth proportional to 5,155,078.80, 7,740,880.20 and 4,098,903.60 is: 6,154,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155,078.80 : 7,740,880.20 = 4,098,903.60 : x
  2. Step 2: Convert to fraction form
    5,155,078.80/7,740,880.20 = 4,098,903.60/x
  3. Step 3: Cross multiply
    5,155,078.80x = 7,740,880.20 × 4,098,903.60
  4. Step 4: Simplify right side
    5,155,078.80x = 31,729,121,718,948.72
  5. Step 5: Solve for x
    x = 31,729,121,718,948.72/5,155,078.80
  6. Step 6: Final answer
    x = 6,154,924.68

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1.5x scale

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.