Home / 1,882,921.64-2,822,217.26-869,915.52

Finding the Fourth Proportional to 1,882,921.64, 2,822,217.26 and 869,915.52

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Solution

The fourth proportional to 1,882,921.64, 2,822,217.26 and 869,915.52 is: 1,303,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,921.64 : 2,822,217.26 = 869,915.52 : x
  2. Step 2: Convert to fraction form
    1,882,921.64/2,822,217.26 = 869,915.52/x
  3. Step 3: Cross multiply
    1,882,921.64x = 2,822,217.26 × 869,915.52
  4. Step 4: Simplify right side
    1,882,921.64x = 2,455,090,590,936.30
  5. Step 5: Solve for x
    x = 2,455,090,590,936.30/1,882,921.64
  6. Step 6: Final answer
    x = 1,303,872.95

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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.