Home / 5,117,617.81-7,679,083.44-2,087,206.93

Finding the Fourth Proportional to 5,117,617.81, 7,679,083.44 and 2,087,206.93

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Solution

The fourth proportional to 5,117,617.81, 7,679,083.44 and 2,087,206.93 is: 3,131,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,617.81 : 7,679,083.44 = 2,087,206.93 : x
  2. Step 2: Convert to fraction form
    5,117,617.81/7,679,083.44 = 2,087,206.93/x
  3. Step 3: Cross multiply
    5,117,617.81x = 7,679,083.44 × 2,087,206.93
  4. Step 4: Simplify right side
    5,117,617.81x = 16,027,836,133,620.82
  5. Step 5: Solve for x
    x = 16,027,836,133,620.82/5,117,617.81
  6. Step 6: Final answer
    x = 3,131,893.93

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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.