Home / 2,133,018-3,200,707.92-1,277,988.48

Finding the Fourth Proportional to 2,133,018, 3,200,707.92 and 1,277,988.48

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Solution

The fourth proportional to 2,133,018, 3,200,707.92 and 1,277,988.48 is: 1,917,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,018 : 3,200,707.92 = 1,277,988.48 : x
  2. Step 2: Convert to fraction form
    2,133,018/3,200,707.92 = 1,277,988.48/x
  3. Step 3: Cross multiply
    2,133,018x = 3,200,707.92 × 1,277,988.48
  4. Step 4: Simplify right side
    2,133,018x = 4,090,467,849,604.76
  5. Step 5: Solve for x
    x = 4,090,467,849,604.76/2,133,018
  6. Step 6: Final answer
    x = 1,917,690.26

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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.