Home / 3,918,886.62-5,878,700.96-1,522,916.03

Finding the Fourth Proportional to 3,918,886.62, 5,878,700.96 and 1,522,916.03

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Solution

The fourth proportional to 3,918,886.62, 5,878,700.96 and 1,522,916.03 is: 2,284,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,886.62 : 5,878,700.96 = 1,522,916.03 : x
  2. Step 2: Convert to fraction form
    3,918,886.62/5,878,700.96 = 1,522,916.03/x
  3. Step 3: Cross multiply
    3,918,886.62x = 5,878,700.96 × 1,522,916.03
  4. Step 4: Simplify right side
    3,918,886.62x = 8,952,767,934,642.56
  5. Step 5: Solve for x
    x = 8,952,767,934,642.56/3,918,886.62
  6. Step 6: Final answer
    x = 2,284,518.23

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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.