Home / 2,319,188.50-3,200,631.51-1,339,168.90

Finding the Fourth Proportional to 2,319,188.50, 3,200,631.51 and 1,339,168.90

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Solution

The fourth proportional to 2,319,188.50, 3,200,631.51 and 1,339,168.90 is: 1,848,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,188.50 : 3,200,631.51 = 1,339,168.90 : x
  2. Step 2: Convert to fraction form
    2,319,188.50/3,200,631.51 = 1,339,168.90/x
  3. Step 3: Cross multiply
    2,319,188.50x = 3,200,631.51 × 1,339,168.90
  4. Step 4: Simplify right side
    2,319,188.50x = 4,286,186,178,552.04
  5. Step 5: Solve for x
    x = 4,286,186,178,552.04/2,319,188.50
  6. Step 6: Final answer
    x = 1,848,140.49

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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.