Home / 2,938,546.50-4,054,971.81-1,649,137.78

Finding the Fourth Proportional to 2,938,546.50, 4,054,971.81 and 1,649,137.78

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Solution

The fourth proportional to 2,938,546.50, 4,054,971.81 and 1,649,137.78 is: 2,275,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,546.50 : 4,054,971.81 = 1,649,137.78 : x
  2. Step 2: Convert to fraction form
    2,938,546.50/4,054,971.81 = 1,649,137.78/x
  3. Step 3: Cross multiply
    2,938,546.50x = 4,054,971.81 × 1,649,137.78
  4. Step 4: Simplify right side
    2,938,546.50x = 6,687,207,208,705.98
  5. Step 5: Solve for x
    x = 6,687,207,208,705.98/2,938,546.50
  6. Step 6: Final answer
    x = 2,275,685.35

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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.