Home / 2,819,411.12-3,890,791.18-1,530,251.68

Finding the Fourth Proportional to 2,819,411.12, 3,890,791.18 and 1,530,251.68

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Solution

The fourth proportional to 2,819,411.12, 3,890,791.18 and 1,530,251.68 is: 2,111,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,411.12 : 3,890,791.18 = 1,530,251.68 : x
  2. Step 2: Convert to fraction form
    2,819,411.12/3,890,791.18 = 1,530,251.68/x
  3. Step 3: Cross multiply
    2,819,411.12x = 3,890,791.18 × 1,530,251.68
  4. Step 4: Simplify right side
    2,819,411.12x = 5,953,889,739,724.18
  5. Step 5: Solve for x
    x = 5,953,889,739,724.18/2,819,411.12
  6. Step 6: Final answer
    x = 2,111,749.40

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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.