Home / 2,927,993.70-4,040,630.40-1,638,833.74

Finding the Fourth Proportional to 2,927,993.70, 4,040,630.40 and 1,638,833.74

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Solution

The fourth proportional to 2,927,993.70, 4,040,630.40 and 1,638,833.74 is: 2,261,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,993.70 : 4,040,630.40 = 1,638,833.74 : x
  2. Step 2: Convert to fraction form
    2,927,993.70/4,040,630.40 = 1,638,833.74/x
  3. Step 3: Cross multiply
    2,927,993.70x = 4,040,630.40 × 1,638,833.74
  4. Step 4: Simplify right side
    2,927,993.70x = 6,621,921,430,389.70
  5. Step 5: Solve for x
    x = 6,621,921,430,389.70/2,927,993.70
  6. Step 6: Final answer
    x = 2,261,590.05

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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.