Finding the Fourth Proportional to 5,718,481.80, 8,577,722.70 and 1,515,985.80
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Solution
The fourth proportional to 5,718,481.80, 8,577,722.70 and 1,515,985.80 is: 2,273,978.70
Step by Step Solution
- Step 1: Write the proportion equation
5,718,481.80 : 8,577,722.70 = 1,515,985.80 : x - Step 2: Convert to fraction form
5,718,481.80/8,577,722.70 = 1,515,985.80/x - Step 3: Cross multiply
5,718,481.80x = 8,577,722.70 × 1,515,985.80 - Step 4: Simplify right side
5,718,481.80x = 13,003,705,809,537.66 - Step 5: Solve for x
x = 13,003,705,809,537.66/5,718,481.80 - Step 6: Final answer
x = 2,273,978.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.