Home / 2,907,081.65-4,011,732.69-1,617,921.83

Finding the Fourth Proportional to 2,907,081.65, 4,011,732.69 and 1,617,921.83

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Solution

The fourth proportional to 2,907,081.65, 4,011,732.69 and 1,617,921.83 is: 2,232,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,081.65 : 4,011,732.69 = 1,617,921.83 : x
  2. Step 2: Convert to fraction form
    2,907,081.65/4,011,732.69 = 1,617,921.83/x
  3. Step 3: Cross multiply
    2,907,081.65x = 4,011,732.69 × 1,617,921.83
  4. Step 4: Simplify right side
    2,907,081.65x = 6,490,669,895,275.62
  5. Step 5: Solve for x
    x = 6,490,669,895,275.62/2,907,081.65
  6. Step 6: Final answer
    x = 2,232,709.87

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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.