Finding the Fourth Proportional to 2,245,267.98, 3,098,471.05 and 1,212,775.76
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Solution
The fourth proportional to 2,245,267.98, 3,098,471.05 and 1,212,775.76 is: 1,673,631.22
Step by Step Solution
- Step 1: Write the proportion equation
2,245,267.98 : 3,098,471.05 = 1,212,775.76 : x - Step 2: Convert to fraction form
2,245,267.98/3,098,471.05 = 1,212,775.76/x - Step 3: Cross multiply
2,245,267.98x = 3,098,471.05 × 1,212,775.76 - Step 4: Simplify right side
2,245,267.98x = 3,757,750,583,176.57 - Step 5: Solve for x
x = 3,757,750,583,176.57/2,245,267.98 - Step 6: Final answer
x = 1,673,631.22
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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.