Home / 3,097,668.65-4,275,394.71-1,979,342.56

Finding the Fourth Proportional to 3,097,668.65, 4,275,394.71 and 1,979,342.56

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Solution

The fourth proportional to 3,097,668.65, 4,275,394.71 and 1,979,342.56 is: 2,731,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097,668.65 : 4,275,394.71 = 1,979,342.56 : x
  2. Step 2: Convert to fraction form
    3,097,668.65/4,275,394.71 = 1,979,342.56/x
  3. Step 3: Cross multiply
    3,097,668.65x = 4,275,394.71 × 1,979,342.56
  4. Step 4: Simplify right side
    3,097,668.65x = 8,462,470,710,301.86
  5. Step 5: Solve for x
    x = 8,462,470,710,301.86/3,097,668.65
  6. Step 6: Final answer
    x = 2,731,883.77

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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.