Home / 2,182,791.24-3,011,852.18-1,215,897.48

Finding the Fourth Proportional to 2,182,791.24, 3,011,852.18 and 1,215,897.48

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Solution

The fourth proportional to 2,182,791.24, 3,011,852.18 and 1,215,897.48 is: 1,677,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,791.24 : 3,011,852.18 = 1,215,897.48 : x
  2. Step 2: Convert to fraction form
    2,182,791.24/3,011,852.18 = 1,215,897.48/x
  3. Step 3: Cross multiply
    2,182,791.24x = 3,011,852.18 × 1,215,897.48
  4. Step 4: Simplify right side
    2,182,791.24x = 3,662,103,475,794.51
  5. Step 5: Solve for x
    x = 3,662,103,475,794.51/2,182,791.24
  6. Step 6: Final answer
    x = 1,677,715.86

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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.