Finding the Fourth Proportional to 5,183,479.45, 7,775,219.18 and 3,298,577.05
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Solution
The fourth proportional to 5,183,479.45, 7,775,219.18 and 3,298,577.05 is: 4,947,865.58
Step by Step Solution
- Step 1: Write the proportion equation
5,183,479.45 : 7,775,219.18 = 3,298,577.05 : x - Step 2: Convert to fraction form
5,183,479.45/7,775,219.18 = 3,298,577.05/x - Step 3: Cross multiply
5,183,479.45x = 7,775,219.18 × 3,298,577.05 - Step 4: Simplify right side
5,183,479.45x = 25,647,159,529,374.93 - Step 5: Solve for x
x = 25,647,159,529,374.93/5,183,479.45 - Step 6: Final answer
x = 4,947,865.58
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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.