Home / 2,789,821.31-3,849,937.94-1,566,126.51

Finding the Fourth Proportional to 2,789,821.31, 3,849,937.94 and 1,566,126.51

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Solution

The fourth proportional to 2,789,821.31, 3,849,937.94 and 1,566,126.51 is: 2,161,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,821.31 : 3,849,937.94 = 1,566,126.51 : x
  2. Step 2: Convert to fraction form
    2,789,821.31/3,849,937.94 = 1,566,126.51/x
  3. Step 3: Cross multiply
    2,789,821.31x = 3,849,937.94 × 1,566,126.51
  4. Step 4: Simplify right side
    2,789,821.31x = 6,029,489,869,688.79
  5. Step 5: Solve for x
    x = 6,029,489,869,688.79/2,789,821.31
  6. Step 6: Final answer
    x = 2,161,245.90

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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.