Home / 2,718,048.12-4,077,096.80-824,789.56

Finding the Fourth Proportional to 2,718,048.12, 4,077,096.80 and 824,789.56

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Solution

The fourth proportional to 2,718,048.12, 4,077,096.80 and 824,789.56 is: 1,237,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,048.12 : 4,077,096.80 = 824,789.56 : x
  2. Step 2: Convert to fraction form
    2,718,048.12/4,077,096.80 = 824,789.56/x
  3. Step 3: Cross multiply
    2,718,048.12x = 4,077,096.80 × 824,789.56
  4. Step 4: Simplify right side
    2,718,048.12x = 3,362,746,875,749.41
  5. Step 5: Solve for x
    x = 3,362,746,875,749.41/2,718,048.12
  6. Step 6: Final answer
    x = 1,237,191.81

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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.