Home / 3,123,631.56-4,310,929.53-1,900,021.44

Finding the Fourth Proportional to 3,123,631.56, 4,310,929.53 and 1,900,021.44

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Solution

The fourth proportional to 3,123,631.56, 4,310,929.53 and 1,900,021.44 is: 2,622,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,631.56 : 4,310,929.53 = 1,900,021.44 : x
  2. Step 2: Convert to fraction form
    3,123,631.56/4,310,929.53 = 1,900,021.44/x
  3. Step 3: Cross multiply
    3,123,631.56x = 4,310,929.53 × 1,900,021.44
  4. Step 4: Simplify right side
    3,123,631.56x = 8,190,858,533,329.12
  5. Step 5: Solve for x
    x = 8,190,858,533,329.12/3,123,631.56
  6. Step 6: Final answer
    x = 2,622,223.00

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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.