Home / 2,076,942.80-3,113,081.40-878,661.20

Finding the Fourth Proportional to 2,076,942.80, 3,113,081.40 and 878,661.20

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Solution

The fourth proportional to 2,076,942.80, 3,113,081.40 and 878,661.20 is: 1,317,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,942.80 : 3,113,081.40 = 878,661.20 : x
  2. Step 2: Convert to fraction form
    2,076,942.80/3,113,081.40 = 878,661.20/x
  3. Step 3: Cross multiply
    2,076,942.80x = 3,113,081.40 × 878,661.20
  4. Step 4: Simplify right side
    2,076,942.80x = 2,735,343,838,621.68
  5. Step 5: Solve for x
    x = 2,735,343,838,621.68/2,076,942.80
  6. Step 6: Final answer
    x = 1,317,004.90

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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.