Home / 2,178,152.49-3,264,284.78-829,579.43

Finding the Fourth Proportional to 2,178,152.49, 3,264,284.78 and 829,579.43

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Solution

The fourth proportional to 2,178,152.49, 3,264,284.78 and 829,579.43 is: 1,243,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,152.49 : 3,264,284.78 = 829,579.43 : x
  2. Step 2: Convert to fraction form
    2,178,152.49/3,264,284.78 = 829,579.43/x
  3. Step 3: Cross multiply
    2,178,152.49x = 3,264,284.78 × 829,579.43
  4. Step 4: Simplify right side
    2,178,152.49x = 2,707,983,507,150.08
  5. Step 5: Solve for x
    x = 2,707,983,507,150.08/2,178,152.49
  6. Step 6: Final answer
    x = 1,243,247.90

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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.