Home / 2,100,172.05-2,898,015.57-1,182,384.54

Finding the Fourth Proportional to 2,100,172.05, 2,898,015.57 and 1,182,384.54

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Solution

The fourth proportional to 2,100,172.05, 2,898,015.57 and 1,182,384.54 is: 1,631,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,172.05 : 2,898,015.57 = 1,182,384.54 : x
  2. Step 2: Convert to fraction form
    2,100,172.05/2,898,015.57 = 1,182,384.54/x
  3. Step 3: Cross multiply
    2,100,172.05x = 2,898,015.57 × 1,182,384.54
  4. Step 4: Simplify right side
    2,100,172.05x = 3,426,568,806,647.29
  5. Step 5: Solve for x
    x = 3,426,568,806,647.29/2,100,172.05
  6. Step 6: Final answer
    x = 1,631,565.76

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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.