Home / 2,979,284.72-4,463,288.66-1,761,214.56

Finding the Fourth Proportional to 2,979,284.72, 4,463,288.66 and 1,761,214.56

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Solution

The fourth proportional to 2,979,284.72, 4,463,288.66 and 1,761,214.56 is: 2,638,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,284.72 : 4,463,288.66 = 1,761,214.56 : x
  2. Step 2: Convert to fraction form
    2,979,284.72/4,463,288.66 = 1,761,214.56/x
  3. Step 3: Cross multiply
    2,979,284.72x = 4,463,288.66 × 1,761,214.56
  4. Step 4: Simplify right side
    2,979,284.72x = 7,860,808,973,474.89
  5. Step 5: Solve for x
    x = 7,860,808,973,474.89/2,979,284.72
  6. Step 6: Final answer
    x = 2,638,488.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.