Home / 2,858,705.78-4,288,113.63-699,749.37

Finding the Fourth Proportional to 2,858,705.78, 4,288,113.63 and 699,749.37

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Solution

The fourth proportional to 2,858,705.78, 4,288,113.63 and 699,749.37 is: 1,049,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,705.78 : 4,288,113.63 = 699,749.37 : x
  2. Step 2: Convert to fraction form
    2,858,705.78/4,288,113.63 = 699,749.37/x
  3. Step 3: Cross multiply
    2,858,705.78x = 4,288,113.63 × 699,749.37
  4. Step 4: Simplify right side
    2,858,705.78x = 3,000,604,811,080.91
  5. Step 5: Solve for x
    x = 3,000,604,811,080.91/2,858,705.78
  6. Step 6: Final answer
    x = 1,049,637.51

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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.