Finding the Fourth Proportional to 1,994,177.70, 2,992,020.42 and 780,621.63
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Solution
The fourth proportional to 1,994,177.70, 2,992,020.42 and 780,621.63 is: 1,171,227.55
Step by Step Solution
- Step 1: Write the proportion equation
1,994,177.70 : 2,992,020.42 = 780,621.63 : x - Step 2: Convert to fraction form
1,994,177.70/2,992,020.42 = 780,621.63/x - Step 3: Cross multiply
1,994,177.70x = 2,992,020.42 × 780,621.63 - Step 4: Simplify right side
1,994,177.70x = 2,335,635,857,253.68 - Step 5: Solve for x
x = 2,335,635,857,253.68/1,994,177.70 - Step 6: Final answer
x = 1,171,227.55
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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.