Home / 2,590,866.66-3,889,667.70-1,992,248.19

Finding the Fourth Proportional to 2,590,866.66, 3,889,667.70 and 1,992,248.19

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Solution

The fourth proportional to 2,590,866.66, 3,889,667.70 and 1,992,248.19 is: 2,990,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,866.66 : 3,889,667.70 = 1,992,248.19 : x
  2. Step 2: Convert to fraction form
    2,590,866.66/3,889,667.70 = 1,992,248.19/x
  3. Step 3: Cross multiply
    2,590,866.66x = 3,889,667.70 × 1,992,248.19
  4. Step 4: Simplify right side
    2,590,866.66x = 7,749,183,435,026.46
  5. Step 5: Solve for x
    x = 7,749,183,435,026.46/2,590,866.66
  6. Step 6: Final answer
    x = 2,990,961.89

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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.