Home / 2,690,708.72-4,037,047.23-1,252,078.25

Finding the Fourth Proportional to 2,690,708.72, 4,037,047.23 and 1,252,078.25

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Solution

The fourth proportional to 2,690,708.72, 4,037,047.23 and 1,252,078.25 is: 1,878,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,708.72 : 4,037,047.23 = 1,252,078.25 : x
  2. Step 2: Convert to fraction form
    2,690,708.72/4,037,047.23 = 1,252,078.25/x
  3. Step 3: Cross multiply
    2,690,708.72x = 4,037,047.23 × 1,252,078.25
  4. Step 4: Simplify right side
    2,690,708.72x = 5,054,699,030,905.75
  5. Step 5: Solve for x
    x = 5,054,699,030,905.75/2,690,708.72
  6. Step 6: Final answer
    x = 1,878,575.33

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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.