Home / 4,551,784.74-6,822,907.82-2,120,933.87

Finding the Fourth Proportional to 4,551,784.74, 6,822,907.82 and 2,120,933.87

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Solution

The fourth proportional to 4,551,784.74, 6,822,907.82 and 2,120,933.87 is: 3,179,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551,784.74 : 6,822,907.82 = 2,120,933.87 : x
  2. Step 2: Convert to fraction form
    4,551,784.74/6,822,907.82 = 2,120,933.87/x
  3. Step 3: Cross multiply
    4,551,784.74x = 6,822,907.82 × 2,120,933.87
  4. Step 4: Simplify right side
    4,551,784.74x = 14,470,936,287,325.87
  5. Step 5: Solve for x
    x = 14,470,936,287,325.87/4,551,784.74
  6. Step 6: Final answer
    x = 3,179,178.52

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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.