Home / 1,956,513.56-2,698,844.82-1,230,211.40

Finding the Fourth Proportional to 1,956,513.56, 2,698,844.82 and 1,230,211.40

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Solution

The fourth proportional to 1,956,513.56, 2,698,844.82 and 1,230,211.40 is: 1,696,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,513.56 : 2,698,844.82 = 1,230,211.40 : x
  2. Step 2: Convert to fraction form
    1,956,513.56/2,698,844.82 = 1,230,211.40/x
  3. Step 3: Cross multiply
    1,956,513.56x = 2,698,844.82 × 1,230,211.40
  4. Step 4: Simplify right side
    1,956,513.56x = 3,320,149,664,394.95
  5. Step 5: Solve for x
    x = 3,320,149,664,394.95/1,956,513.56
  6. Step 6: Final answer
    x = 1,696,972.48

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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.