Home / 1,789,024.47-2,469,871.89-1,178,949.89

Finding the Fourth Proportional to 1,789,024.47, 2,469,871.89 and 1,178,949.89

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Solution

The fourth proportional to 1,789,024.47, 2,469,871.89 and 1,178,949.89 is: 1,627,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,024.47 : 2,469,871.89 = 1,178,949.89 : x
  2. Step 2: Convert to fraction form
    1,789,024.47/2,469,871.89 = 1,178,949.89/x
  3. Step 3: Cross multiply
    1,789,024.47x = 2,469,871.89 × 1,178,949.89
  4. Step 4: Simplify right side
    1,789,024.47x = 2,911,855,180,680.23
  5. Step 5: Solve for x
    x = 2,911,855,180,680.23/1,789,024.47
  6. Step 6: Final answer
    x = 1,627,621.77

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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.