Finding the Fourth Proportional to 2,805,302.70, 4,197,456.45 and 1,860,518.70
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Solution
The fourth proportional to 2,805,302.70, 4,197,456.45 and 1,860,518.70 is: 2,783,815.88
Step by Step Solution
- Step 1: Write the proportion equation
2,805,302.70 : 4,197,456.45 = 1,860,518.70 : x - Step 2: Convert to fraction form
2,805,302.70/4,197,456.45 = 1,860,518.70/x - Step 3: Cross multiply
2,805,302.70x = 4,197,456.45 × 1,860,518.70 - Step 4: Simplify right side
2,805,302.70x = 7,809,446,217,660.62 - Step 5: Solve for x
x = 7,809,446,217,660.62/2,805,302.70 - Step 6: Final answer
x = 2,783,815.88
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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.