Home / 2,819,345.70-3,890,734.39-1,530,201.54

Finding the Fourth Proportional to 2,819,345.70, 3,890,734.39 and 1,530,201.54

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Solution

The fourth proportional to 2,819,345.70, 3,890,734.39 and 1,530,201.54 is: 2,111,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,345.70 : 3,890,734.39 = 1,530,201.54 : x
  2. Step 2: Convert to fraction form
    2,819,345.70/3,890,734.39 = 1,530,201.54/x
  3. Step 3: Cross multiply
    2,819,345.70x = 3,890,734.39 × 1,530,201.54
  4. Step 4: Simplify right side
    2,819,345.70x = 5,953,607,734,024.07
  5. Step 5: Solve for x
    x = 5,953,607,734,024.07/2,819,345.70
  6. Step 6: Final answer
    x = 2,111,698.38

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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.