Home / 2,078,884.78-3,118,438.95-659,051.57

Finding the Fourth Proportional to 2,078,884.78, 3,118,438.95 and 659,051.57

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Solution

The fourth proportional to 2,078,884.78, 3,118,438.95 and 659,051.57 is: 988,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,884.78 : 3,118,438.95 = 659,051.57 : x
  2. Step 2: Convert to fraction form
    2,078,884.78/3,118,438.95 = 659,051.57/x
  3. Step 3: Cross multiply
    2,078,884.78x = 3,118,438.95 × 659,051.57
  4. Step 4: Simplify right side
    2,078,884.78x = 2,055,212,091,271.31
  5. Step 5: Solve for x
    x = 2,055,212,091,271.31/2,078,884.78
  6. Step 6: Final answer
    x = 988,612.80

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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.