Home / 2,905,808.33-4,008,345.66-1,816,188.89

Finding the Fourth Proportional to 2,905,808.33, 4,008,345.66 and 1,816,188.89

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Solution

The fourth proportional to 2,905,808.33, 4,008,345.66 and 1,816,188.89 is: 2,505,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905,808.33 : 4,008,345.66 = 1,816,188.89 : x
  2. Step 2: Convert to fraction form
    2,905,808.33/4,008,345.66 = 1,816,188.89/x
  3. Step 3: Cross multiply
    2,905,808.33x = 4,008,345.66 × 1,816,188.89
  4. Step 4: Simplify right side
    2,905,808.33x = 7,279,912,854,971.72
  5. Step 5: Solve for x
    x = 7,279,912,854,971.72/2,905,808.33
  6. Step 6: Final answer
    x = 2,505,296.99

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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.