Finding the Fourth Proportional to 4,816,560.76, 7,219,783.74 and 1,620,577.48
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Solution
The fourth proportional to 4,816,560.76, 7,219,783.74 and 1,620,577.48 is: 2,429,164.61
Step by Step Solution
- Step 1: Write the proportion equation
4,816,560.76 : 7,219,783.74 = 1,620,577.48 : x - Step 2: Convert to fraction form
4,816,560.76/7,219,783.74 = 1,620,577.48/x - Step 3: Cross multiply
4,816,560.76x = 7,219,783.74 × 1,620,577.48 - Step 4: Simplify right side
4,816,560.76x = 11,700,218,939,514.18 - Step 5: Solve for x
x = 11,700,218,939,514.18/4,816,560.76 - Step 6: Final answer
x = 2,429,164.61
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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.