Home / 5,112,278.43-7,054,698.02-2,789,032.65

Finding the Fourth Proportional to 5,112,278.43, 7,054,698.02 and 2,789,032.65

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Solution

The fourth proportional to 5,112,278.43, 7,054,698.02 and 2,789,032.65 is: 3,848,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,278.43 : 7,054,698.02 = 2,789,032.65 : x
  2. Step 2: Convert to fraction form
    5,112,278.43/7,054,698.02 = 2,789,032.65/x
  3. Step 3: Cross multiply
    5,112,278.43x = 7,054,698.02 × 2,789,032.65
  4. Step 4: Simplify right side
    5,112,278.43x = 19,675,783,099,725.19
  5. Step 5: Solve for x
    x = 19,675,783,099,725.19/5,112,278.43
  6. Step 6: Final answer
    x = 3,848,730.73

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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.