Home / 2,954,337.72-4,080,349.07-1,985,786.51

Finding the Fourth Proportional to 2,954,337.72, 4,080,349.07 and 1,985,786.51

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Solution

The fourth proportional to 2,954,337.72, 4,080,349.07 and 1,985,786.51 is: 2,742,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954,337.72 : 4,080,349.07 = 1,985,786.51 : x
  2. Step 2: Convert to fraction form
    2,954,337.72/4,080,349.07 = 1,985,786.51/x
  3. Step 3: Cross multiply
    2,954,337.72x = 4,080,349.07 × 1,985,786.51
  4. Step 4: Simplify right side
    2,954,337.72x = 8,102,702,108,966.37
  5. Step 5: Solve for x
    x = 8,102,702,108,966.37/2,954,337.72
  6. Step 6: Final answer
    x = 2,742,645.86

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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.