Home / 2,287,986.08-3,157,378.78-1,269,368.96

Finding the Fourth Proportional to 2,287,986.08, 3,157,378.78 and 1,269,368.96

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Solution

The fourth proportional to 2,287,986.08, 3,157,378.78 and 1,269,368.96 is: 1,751,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,986.08 : 3,157,378.78 = 1,269,368.96 : x
  2. Step 2: Convert to fraction form
    2,287,986.08/3,157,378.78 = 1,269,368.96/x
  3. Step 3: Cross multiply
    2,287,986.08x = 3,157,378.78 × 1,269,368.96
  4. Step 4: Simplify right side
    2,287,986.08x = 4,007,878,618,294.67
  5. Step 5: Solve for x
    x = 4,007,878,618,294.67/2,287,986.08
  6. Step 6: Final answer
    x = 1,751,705.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.