Home / 3,021,038.87-4,169,120.88-1,644,471.81

Finding the Fourth Proportional to 3,021,038.87, 4,169,120.88 and 1,644,471.81

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Solution

The fourth proportional to 3,021,038.87, 4,169,120.88 and 1,644,471.81 is: 2,269,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,038.87 : 4,169,120.88 = 1,644,471.81 : x
  2. Step 2: Convert to fraction form
    3,021,038.87/4,169,120.88 = 1,644,471.81/x
  3. Step 3: Cross multiply
    3,021,038.87x = 4,169,120.88 × 1,644,471.81
  4. Step 4: Simplify right side
    3,021,038.87x = 6,856,001,759,642.39
  5. Step 5: Solve for x
    x = 6,856,001,759,642.39/3,021,038.87
  6. Step 6: Final answer
    x = 2,269,418.59

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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.