Home / 5,178,509.82-7,149,405.69-4,603,960.32

Finding the Fourth Proportional to 5,178,509.82, 7,149,405.69 and 4,603,960.32

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Solution

The fourth proportional to 5,178,509.82, 7,149,405.69 and 4,603,960.32 is: 6,356,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,509.82 : 7,149,405.69 = 4,603,960.32 : x
  2. Step 2: Convert to fraction form
    5,178,509.82/7,149,405.69 = 4,603,960.32/x
  3. Step 3: Cross multiply
    5,178,509.82x = 7,149,405.69 × 4,603,960.32
  4. Step 4: Simplify right side
    5,178,509.82x = 32,915,580,108,342.23
  5. Step 5: Solve for x
    x = 32,915,580,108,342.23/5,178,509.82
  6. Step 6: Final answer
    x = 6,356,187.64

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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.