Home / 5,188,842.12-7,784,690-2,495,420.40

Finding the Fourth Proportional to 5,188,842.12, 7,784,690 and 2,495,420.40

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Solution

The fourth proportional to 5,188,842.12, 7,784,690 and 2,495,420.40 is: 3,743,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,842.12 : 7,784,690 = 2,495,420.40 : x
  2. Step 2: Convert to fraction form
    5,188,842.12/7,784,690 = 2,495,420.40/x
  3. Step 3: Cross multiply
    5,188,842.12x = 7,784,690 × 2,495,420.40
  4. Step 4: Simplify right side
    5,188,842.12x = 19,426,074,233,676
  5. Step 5: Solve for x
    x = 19,426,074,233,676/5,188,842.12
  6. Step 6: Final answer
    x = 3,743,816.79

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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.