Home / 4,857,878.49-7,289,339.58-1,981,355.65

Finding the Fourth Proportional to 4,857,878.49, 7,289,339.58 and 1,981,355.65

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Solution

The fourth proportional to 4,857,878.49, 7,289,339.58 and 1,981,355.65 is: 2,973,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,878.49 : 7,289,339.58 = 1,981,355.65 : x
  2. Step 2: Convert to fraction form
    4,857,878.49/7,289,339.58 = 1,981,355.65/x
  3. Step 3: Cross multiply
    4,857,878.49x = 7,289,339.58 × 1,981,355.65
  4. Step 4: Simplify right side
    4,857,878.49x = 14,442,774,161,601.63
  5. Step 5: Solve for x
    x = 14,442,774,161,601.63/4,857,878.49
  6. Step 6: Final answer
    x = 2,973,062.05

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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.