Home / 2,784,601.92-3,842,676-1,638,749.76

Finding the Fourth Proportional to 2,784,601.92, 3,842,676 and 1,638,749.76

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Solution

The fourth proportional to 2,784,601.92, 3,842,676 and 1,638,749.76 is: 2,261,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,601.92 : 3,842,676 = 1,638,749.76 : x
  2. Step 2: Convert to fraction form
    2,784,601.92/3,842,676 = 1,638,749.76/x
  3. Step 3: Cross multiply
    2,784,601.92x = 3,842,676 × 1,638,749.76
  4. Step 4: Simplify right side
    2,784,601.92x = 6,297,184,372,757.76
  5. Step 5: Solve for x
    x = 6,297,184,372,757.76/2,784,601.92
  6. Step 6: Final answer
    x = 2,261,430.74

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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.