Home / 1,639,642.64-2,443,163.68-1,460,775.20

Finding the Fourth Proportional to 1,639,642.64, 2,443,163.68 and 1,460,775.20

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Solution

The fourth proportional to 1,639,642.64, 2,443,163.68 and 1,460,775.20 is: 2,176,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,642.64 : 2,443,163.68 = 1,460,775.20 : x
  2. Step 2: Convert to fraction form
    1,639,642.64/2,443,163.68 = 1,460,775.20/x
  3. Step 3: Cross multiply
    1,639,642.64x = 2,443,163.68 × 1,460,775.20
  4. Step 4: Simplify right side
    1,639,642.64x = 3,568,912,913,284.74
  5. Step 5: Solve for x
    x = 3,568,912,913,284.74/1,639,642.64
  6. Step 6: Final answer
    x = 2,176,640.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.