Home / 2,136,973.29-2,949,178.38-1,219,222.66

Finding the Fourth Proportional to 2,136,973.29, 2,949,178.38 and 1,219,222.66

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Solution

The fourth proportional to 2,136,973.29, 2,949,178.38 and 1,219,222.66 is: 1,682,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,973.29 : 2,949,178.38 = 1,219,222.66 : x
  2. Step 2: Convert to fraction form
    2,136,973.29/2,949,178.38 = 1,219,222.66/x
  3. Step 3: Cross multiply
    2,136,973.29x = 2,949,178.38 × 1,219,222.66
  4. Step 4: Simplify right side
    2,136,973.29x = 3,595,705,104,854.98
  5. Step 5: Solve for x
    x = 3,595,705,104,854.98/2,136,973.29
  6. Step 6: Final answer
    x = 1,682,615.84

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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.