Home / 2,242,742.10-3,364,628.34-645,318.42

Finding the Fourth Proportional to 2,242,742.10, 3,364,628.34 and 645,318.42

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Solution

The fourth proportional to 2,242,742.10, 3,364,628.34 and 645,318.42 is: 968,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,742.10 : 3,364,628.34 = 645,318.42 : x
  2. Step 2: Convert to fraction form
    2,242,742.10/3,364,628.34 = 645,318.42/x
  3. Step 3: Cross multiply
    2,242,742.10x = 3,364,628.34 × 645,318.42
  4. Step 4: Simplify right side
    2,242,742.10x = 2,171,256,644,256.02
  5. Step 5: Solve for x
    x = 2,171,256,644,256.02/2,242,742.10
  6. Step 6: Final answer
    x = 968,125.87

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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.