Home / 2,998,822.53-4,138,478.42-1,640,695.53

Finding the Fourth Proportional to 2,998,822.53, 4,138,478.42 and 1,640,695.53

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Solution

The fourth proportional to 2,998,822.53, 4,138,478.42 and 1,640,695.53 is: 2,264,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,822.53 : 4,138,478.42 = 1,640,695.53 : x
  2. Step 2: Convert to fraction form
    2,998,822.53/4,138,478.42 = 1,640,695.53/x
  3. Step 3: Cross multiply
    2,998,822.53x = 4,138,478.42 × 1,640,695.53
  4. Step 4: Simplify right side
    2,998,822.53x = 6,789,983,036,491.99
  5. Step 5: Solve for x
    x = 6,789,983,036,491.99/2,998,822.53
  6. Step 6: Final answer
    x = 2,264,216.36

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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.