Home / 1,974,142.90-2,724,318.21-1,068,724.90

Finding the Fourth Proportional to 1,974,142.90, 2,724,318.21 and 1,068,724.90

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Solution

The fourth proportional to 1,974,142.90, 2,724,318.21 and 1,068,724.90 is: 1,474,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,142.90 : 2,724,318.21 = 1,068,724.90 : x
  2. Step 2: Convert to fraction form
    1,974,142.90/2,724,318.21 = 1,068,724.90/x
  3. Step 3: Cross multiply
    1,974,142.90x = 2,724,318.21 × 1,068,724.90
  4. Step 4: Simplify right side
    1,974,142.90x = 2,911,546,706,550.43
  5. Step 5: Solve for x
    x = 2,911,546,706,550.43/1,974,142.90
  6. Step 6: Final answer
    x = 1,474,840.91

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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.