Home / 2,289,868.51-3,159,874.82-1,257,369.06

Finding the Fourth Proportional to 2,289,868.51, 3,159,874.82 and 1,257,369.06

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Solution

The fourth proportional to 2,289,868.51, 3,159,874.82 and 1,257,369.06 is: 1,735,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,868.51 : 3,159,874.82 = 1,257,369.06 : x
  2. Step 2: Convert to fraction form
    2,289,868.51/3,159,874.82 = 1,257,369.06/x
  3. Step 3: Cross multiply
    2,289,868.51x = 3,159,874.82 × 1,257,369.06
  4. Step 4: Simplify right side
    2,289,868.51x = 3,973,128,832,141.07
  5. Step 5: Solve for x
    x = 3,973,128,832,141.07/2,289,868.51
  6. Step 6: Final answer
    x = 1,735,090.38

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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.