Home / 1,820,449.37-2,513,164.49-1,329,868.11

Finding the Fourth Proportional to 1,820,449.37, 2,513,164.49 and 1,329,868.11

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Solution

The fourth proportional to 1,820,449.37, 2,513,164.49 and 1,329,868.11 is: 1,835,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,449.37 : 2,513,164.49 = 1,329,868.11 : x
  2. Step 2: Convert to fraction form
    1,820,449.37/2,513,164.49 = 1,329,868.11/x
  3. Step 3: Cross multiply
    1,820,449.37x = 2,513,164.49 × 1,329,868.11
  4. Step 4: Simplify right side
    1,820,449.37x = 3,342,177,310,435.41
  5. Step 5: Solve for x
    x = 3,342,177,310,435.41/1,820,449.37
  6. Step 6: Final answer
    x = 1,835,907.86

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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.