Home / 1,618,915.69-2,427,950.40-481,371.54

Finding the Fourth Proportional to 1,618,915.69, 2,427,950.40 and 481,371.54

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Solution

The fourth proportional to 1,618,915.69, 2,427,950.40 and 481,371.54 is: 721,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,915.69 : 2,427,950.40 = 481,371.54 : x
  2. Step 2: Convert to fraction form
    1,618,915.69/2,427,950.40 = 481,371.54/x
  3. Step 3: Cross multiply
    1,618,915.69x = 2,427,950.40 × 481,371.54
  4. Step 4: Simplify right side
    1,618,915.69x = 1,168,746,223,091.62
  5. Step 5: Solve for x
    x = 1,168,746,223,091.62/1,618,915.69
  6. Step 6: Final answer
    x = 721,931.49

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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.