Home / 2,072,410.80-3,109,035.30-874,335.72

Finding the Fourth Proportional to 2,072,410.80, 3,109,035.30 and 874,335.72

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Solution

The fourth proportional to 2,072,410.80, 3,109,035.30 and 874,335.72 is: 1,311,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,410.80 : 3,109,035.30 = 874,335.72 : x
  2. Step 2: Convert to fraction form
    2,072,410.80/3,109,035.30 = 874,335.72/x
  3. Step 3: Cross multiply
    2,072,410.80x = 3,109,035.30 × 874,335.72
  4. Step 4: Simplify right side
    2,072,410.80x = 2,718,340,617,530.92
  5. Step 5: Solve for x
    x = 2,718,340,617,530.92/2,072,410.80
  6. Step 6: Final answer
    x = 1,311,680.40

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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.