Home / 2,142,134.10-2,956,175.19-1,175,246.82

Finding the Fourth Proportional to 2,142,134.10, 2,956,175.19 and 1,175,246.82

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Solution

The fourth proportional to 2,142,134.10, 2,956,175.19 and 1,175,246.82 is: 1,621,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,134.10 : 2,956,175.19 = 1,175,246.82 : x
  2. Step 2: Convert to fraction form
    2,142,134.10/2,956,175.19 = 1,175,246.82/x
  3. Step 3: Cross multiply
    2,142,134.10x = 2,956,175.19 × 1,175,246.82
  4. Step 4: Simplify right side
    2,142,134.10x = 3,474,235,491,410.40
  5. Step 5: Solve for x
    x = 3,474,235,491,410.40/2,142,134.10
  6. Step 6: Final answer
    x = 1,621,857.14

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1.5x scale

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.