Home / 2,980,159.29-4,114,077.78-1,999,747.54

Finding the Fourth Proportional to 2,980,159.29, 4,114,077.78 and 1,999,747.54

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Solution

The fourth proportional to 2,980,159.29, 4,114,077.78 and 1,999,747.54 is: 2,760,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,159.29 : 4,114,077.78 = 1,999,747.54 : x
  2. Step 2: Convert to fraction form
    2,980,159.29/4,114,077.78 = 1,999,747.54/x
  3. Step 3: Cross multiply
    2,980,159.29x = 4,114,077.78 × 1,999,747.54
  4. Step 4: Simplify right side
    2,980,159.29x = 8,227,116,932,565.31
  5. Step 5: Solve for x
    x = 8,227,116,932,565.31/2,980,159.29
  6. Step 6: Final answer
    x = 2,760,629.93

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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.