Home / 2,679,074.10-4,019,129.55-785,877.30

Finding the Fourth Proportional to 2,679,074.10, 4,019,129.55 and 785,877.30

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Solution

The fourth proportional to 2,679,074.10, 4,019,129.55 and 785,877.30 is: 1,178,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,074.10 : 4,019,129.55 = 785,877.30 : x
  2. Step 2: Convert to fraction form
    2,679,074.10/4,019,129.55 = 785,877.30/x
  3. Step 3: Cross multiply
    2,679,074.10x = 4,019,129.55 × 785,877.30
  4. Step 4: Simplify right side
    2,679,074.10x = 3,158,542,679,104.22
  5. Step 5: Solve for x
    x = 3,158,542,679,104.22/2,679,074.10
  6. Step 6: Final answer
    x = 1,178,968.02

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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.