Home / 4,125,905.80-6,188,858.70-3,771,320.20

Finding the Fourth Proportional to 4,125,905.80, 6,188,858.70 and 3,771,320.20

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Solution

The fourth proportional to 4,125,905.80, 6,188,858.70 and 3,771,320.20 is: 5,656,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125,905.80 : 6,188,858.70 = 3,771,320.20 : x
  2. Step 2: Convert to fraction form
    4,125,905.80/6,188,858.70 = 3,771,320.20/x
  3. Step 3: Cross multiply
    4,125,905.80x = 6,188,858.70 × 3,771,320.20
  4. Step 4: Simplify right side
    4,125,905.80x = 23,340,167,830,255.74
  5. Step 5: Solve for x
    x = 23,340,167,830,255.74/4,125,905.80
  6. Step 6: Final answer
    x = 5,656,980.30

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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.