Home / 2,142,563.45-2,956,921.20-1,175,880.60

Finding the Fourth Proportional to 2,142,563.45, 2,956,921.20 and 1,175,880.60

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Solution

The fourth proportional to 2,142,563.45, 2,956,921.20 and 1,175,880.60 is: 1,622,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,563.45 : 2,956,921.20 = 1,175,880.60 : x
  2. Step 2: Convert to fraction form
    2,142,563.45/2,956,921.20 = 1,175,880.60/x
  3. Step 3: Cross multiply
    2,142,563.45x = 2,956,921.20 × 1,175,880.60
  4. Step 4: Simplify right side
    2,142,563.45x = 3,476,986,274,808.72
  5. Step 5: Solve for x
    x = 3,476,986,274,808.72/2,142,563.45
  6. Step 6: Final answer
    x = 1,622,816.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.