Home / 3,228,791.32-4,455,762.78-1,778,493.16

Finding the Fourth Proportional to 3,228,791.32, 4,455,762.78 and 1,778,493.16

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Solution

The fourth proportional to 3,228,791.32, 4,455,762.78 and 1,778,493.16 is: 2,454,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,791.32 : 4,455,762.78 = 1,778,493.16 : x
  2. Step 2: Convert to fraction form
    3,228,791.32/4,455,762.78 = 1,778,493.16/x
  3. Step 3: Cross multiply
    3,228,791.32x = 4,455,762.78 × 1,778,493.16
  4. Step 4: Simplify right side
    3,228,791.32x = 7,924,543,626,812.59
  5. Step 5: Solve for x
    x = 7,924,543,626,812.59/3,228,791.32
  6. Step 6: Final answer
    x = 2,454,337.50

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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.