Home / 2,889,756.49-3,987,721.64-1,583,014.20

Finding the Fourth Proportional to 2,889,756.49, 3,987,721.64 and 1,583,014.20

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Solution

The fourth proportional to 2,889,756.49, 3,987,721.64 and 1,583,014.20 is: 2,184,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,756.49 : 3,987,721.64 = 1,583,014.20 : x
  2. Step 2: Convert to fraction form
    2,889,756.49/3,987,721.64 = 1,583,014.20/x
  3. Step 3: Cross multiply
    2,889,756.49x = 3,987,721.64 × 1,583,014.20
  4. Step 4: Simplify right side
    2,889,756.49x = 6,312,619,981,767.29
  5. Step 5: Solve for x
    x = 6,312,619,981,767.29/2,889,756.49
  6. Step 6: Final answer
    x = 2,184,481.63

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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.