Home / 1,868,436.75-2,578,442.73-1,008,997.02

Finding the Fourth Proportional to 1,868,436.75, 2,578,442.73 and 1,008,997.02

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Solution

The fourth proportional to 1,868,436.75, 2,578,442.73 and 1,008,997.02 is: 1,392,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,436.75 : 2,578,442.73 = 1,008,997.02 : x
  2. Step 2: Convert to fraction form
    1,868,436.75/2,578,442.73 = 1,008,997.02/x
  3. Step 3: Cross multiply
    1,868,436.75x = 2,578,442.73 × 1,008,997.02
  4. Step 4: Simplify right side
    1,868,436.75x = 2,601,641,030,810.66
  5. Step 5: Solve for x
    x = 2,601,641,030,810.66/1,868,436.75
  6. Step 6: Final answer
    x = 1,392,415.90

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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.