Home / 4,747,509.78-7,112,702.52-2,922,698.86

Finding the Fourth Proportional to 4,747,509.78, 7,112,702.52 and 2,922,698.86

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Solution

The fourth proportional to 4,747,509.78, 7,112,702.52 and 2,922,698.86 is: 4,378,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747,509.78 : 7,112,702.52 = 2,922,698.86 : x
  2. Step 2: Convert to fraction form
    4,747,509.78/7,112,702.52 = 2,922,698.86/x
  3. Step 3: Cross multiply
    4,747,509.78x = 7,112,702.52 × 2,922,698.86
  4. Step 4: Simplify right side
    4,747,509.78x = 20,788,287,546,723.12
  5. Step 5: Solve for x
    x = 20,788,287,546,723.12/4,747,509.78
  6. Step 6: Final answer
    x = 4,378,777.19

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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.