Home / 2,640,485.30-3,953,632.01-1,675,717.56

Finding the Fourth Proportional to 2,640,485.30, 3,953,632.01 and 1,675,717.56

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Solution

The fourth proportional to 2,640,485.30, 3,953,632.01 and 1,675,717.56 is: 2,509,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,485.30 : 3,953,632.01 = 1,675,717.56 : x
  2. Step 2: Convert to fraction form
    2,640,485.30/3,953,632.01 = 1,675,717.56/x
  3. Step 3: Cross multiply
    2,640,485.30x = 3,953,632.01 × 1,675,717.56
  4. Step 4: Simplify right side
    2,640,485.30x = 6,625,170,576,556.51
  5. Step 5: Solve for x
    x = 6,625,170,576,556.51/2,640,485.30
  6. Step 6: Final answer
    x = 2,509,073.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.