Home / 2,183,523.87-3,013,222.75-1,216,633.35

Finding the Fourth Proportional to 2,183,523.87, 3,013,222.75 and 1,216,633.35

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Solution

The fourth proportional to 2,183,523.87, 3,013,222.75 and 1,216,633.35 is: 1,678,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,523.87 : 3,013,222.75 = 1,216,633.35 : x
  2. Step 2: Convert to fraction form
    2,183,523.87/3,013,222.75 = 1,216,633.35/x
  3. Step 3: Cross multiply
    2,183,523.87x = 3,013,222.75 × 1,216,633.35
  4. Step 4: Simplify right side
    2,183,523.87x = 3,665,987,288,628.71
  5. Step 5: Solve for x
    x = 3,665,987,288,628.71/2,183,523.87
  6. Step 6: Final answer
    x = 1,678,931.63

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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.