Home / 2,819,473.20-3,890,768.72-1,530,285.93

Finding the Fourth Proportional to 2,819,473.20, 3,890,768.72 and 1,530,285.93

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Solution

The fourth proportional to 2,819,473.20, 3,890,768.72 and 1,530,285.93 is: 2,111,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,473.20 : 3,890,768.72 = 1,530,285.93 : x
  2. Step 2: Convert to fraction form
    2,819,473.20/3,890,768.72 = 1,530,285.93/x
  3. Step 3: Cross multiply
    2,819,473.20x = 3,890,768.72 × 1,530,285.93
  4. Step 4: Simplify right side
    2,819,473.20x = 5,953,988,621,448.68
  5. Step 5: Solve for x
    x = 5,953,988,621,448.68/2,819,473.20
  6. Step 6: Final answer
    x = 2,111,737.97

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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.