Home / 2,679,340.84-4,019,049.06-786,121.36

Finding the Fourth Proportional to 2,679,340.84, 4,019,049.06 and 786,121.36

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Solution

The fourth proportional to 2,679,340.84, 4,019,049.06 and 786,121.36 is: 1,179,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,340.84 : 4,019,049.06 = 786,121.36 : x
  2. Step 2: Convert to fraction form
    2,679,340.84/4,019,049.06 = 786,121.36/x
  3. Step 3: Cross multiply
    2,679,340.84x = 4,019,049.06 × 786,121.36
  4. Step 4: Simplify right side
    2,679,340.84x = 3,159,460,312,953.92
  5. Step 5: Solve for x
    x = 3,159,460,312,953.92/2,679,340.84
  6. Step 6: Final answer
    x = 1,179,193.13

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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.