Finding the Fourth Proportional to 5,691,743.08, 8,538,212.70 and 1,853,864.36
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Solution
The fourth proportional to 5,691,743.08, 8,538,212.70 and 1,853,864.36 is: 2,780,991.34
Step by Step Solution
- Step 1: Write the proportion equation
5,691,743.08 : 8,538,212.70 = 1,853,864.36 : x - Step 2: Convert to fraction form
5,691,743.08/8,538,212.70 = 1,853,864.36/x - Step 3: Cross multiply
5,691,743.08x = 8,538,212.70 × 1,853,864.36 - Step 4: Simplify right side
5,691,743.08x = 15,828,688,222,629.37 - Step 5: Solve for x
x = 15,828,688,222,629.37/5,691,743.08 - Step 6: Final answer
x = 2,780,991.34
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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.