Home / 2,872,628.45-4,309,573.41-851,030.65

Finding the Fourth Proportional to 2,872,628.45, 4,309,573.41 and 851,030.65

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Solution

The fourth proportional to 2,872,628.45, 4,309,573.41 and 851,030.65 is: 1,276,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,628.45 : 4,309,573.41 = 851,030.65 : x
  2. Step 2: Convert to fraction form
    2,872,628.45/4,309,573.41 = 851,030.65/x
  3. Step 3: Cross multiply
    2,872,628.45x = 4,309,573.41 × 851,030.65
  4. Step 4: Simplify right side
    2,872,628.45x = 3,667,579,065,721.98
  5. Step 5: Solve for x
    x = 3,667,579,065,721.98/2,872,628.45
  6. Step 6: Final answer
    x = 1,276,732.84

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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.