Home / 2,178,450.59-3,264,686.49-1,378,299.74

Finding the Fourth Proportional to 2,178,450.59, 3,264,686.49 and 1,378,299.74

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Solution

The fourth proportional to 2,178,450.59, 3,264,686.49 and 1,378,299.74 is: 2,065,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,450.59 : 3,264,686.49 = 1,378,299.74 : x
  2. Step 2: Convert to fraction form
    2,178,450.59/3,264,686.49 = 1,378,299.74/x
  3. Step 3: Cross multiply
    2,178,450.59x = 3,264,686.49 × 1,378,299.74
  4. Step 4: Simplify right side
    2,178,450.59x = 4,499,716,524,025.08
  5. Step 5: Solve for x
    x = 4,499,716,524,025.08/2,178,450.59
  6. Step 6: Final answer
    x = 2,065,558.23

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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.