Home / 3,513,811.20-5,270,716.80-2,076,806.40

Finding the Fourth Proportional to 3,513,811.20, 5,270,716.80 and 2,076,806.40

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Solution

The fourth proportional to 3,513,811.20, 5,270,716.80 and 2,076,806.40 is: 3,115,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513,811.20 : 5,270,716.80 = 2,076,806.40 : x
  2. Step 2: Convert to fraction form
    3,513,811.20/5,270,716.80 = 2,076,806.40/x
  3. Step 3: Cross multiply
    3,513,811.20x = 5,270,716.80 × 2,076,806.40
  4. Step 4: Simplify right side
    3,513,811.20x = 10,946,258,382,827.52
  5. Step 5: Solve for x
    x = 10,946,258,382,827.52/3,513,811.20
  6. Step 6: Final answer
    x = 3,115,209.60

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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.