Home / 2,135,390.94-2,946,897.32-1,308,450.14

Finding the Fourth Proportional to 2,135,390.94, 2,946,897.32 and 1,308,450.14

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Solution

The fourth proportional to 2,135,390.94, 2,946,897.32 and 1,308,450.14 is: 1,805,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,390.94 : 2,946,897.32 = 1,308,450.14 : x
  2. Step 2: Convert to fraction form
    2,135,390.94/2,946,897.32 = 1,308,450.14/x
  3. Step 3: Cross multiply
    2,135,390.94x = 2,946,897.32 × 1,308,450.14
  4. Step 4: Simplify right side
    2,135,390.94x = 3,855,868,189,642.89
  5. Step 5: Solve for x
    x = 3,855,868,189,642.89/2,135,390.94
  6. Step 6: Final answer
    x = 1,805,696.61

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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.