Home / 1,590,921.73-2,194,844.61-1,178,463.25

Finding the Fourth Proportional to 1,590,921.73, 2,194,844.61 and 1,178,463.25

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Solution

The fourth proportional to 1,590,921.73, 2,194,844.61 and 1,178,463.25 is: 1,625,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,921.73 : 2,194,844.61 = 1,178,463.25 : x
  2. Step 2: Convert to fraction form
    1,590,921.73/2,194,844.61 = 1,178,463.25/x
  3. Step 3: Cross multiply
    1,590,921.73x = 2,194,844.61 × 1,178,463.25
  4. Step 4: Simplify right side
    1,590,921.73x = 2,586,543,712,345.58
  5. Step 5: Solve for x
    x = 2,586,543,712,345.58/1,590,921.73
  6. Step 6: Final answer
    x = 1,625,814.56

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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.