Home / 1,680,101.30-2,318,455.81-954,853.22

Finding the Fourth Proportional to 1,680,101.30, 2,318,455.81 and 954,853.22

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Solution

The fourth proportional to 1,680,101.30, 2,318,455.81 and 954,853.22 is: 1,317,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,101.30 : 2,318,455.81 = 954,853.22 : x
  2. Step 2: Convert to fraction form
    1,680,101.30/2,318,455.81 = 954,853.22/x
  3. Step 3: Cross multiply
    1,680,101.30x = 2,318,455.81 × 954,853.22
  4. Step 4: Simplify right side
    1,680,101.30x = 2,213,784,995,606.21
  5. Step 5: Solve for x
    x = 2,213,784,995,606.21/1,680,101.30
  6. Step 6: Final answer
    x = 1,317,649.71

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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.