Finding the Fourth Proportional to 3,768,936.24, 5,202,055.80 and 2,138,298.11
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Solution
The fourth proportional to 3,768,936.24, 5,202,055.80 and 2,138,298.11 is: 2,951,375.50
Step by Step Solution
- Step 1: Write the proportion equation
3,768,936.24 : 5,202,055.80 = 2,138,298.11 : x - Step 2: Convert to fraction form
3,768,936.24/5,202,055.80 = 2,138,298.11/x - Step 3: Cross multiply
3,768,936.24x = 5,202,055.80 × 2,138,298.11 - Step 4: Simplify right side
3,768,936.24x = 11,123,546,085,254.54 - Step 5: Solve for x
x = 11,123,546,085,254.54/3,768,936.24 - Step 6: Final answer
x = 2,951,375.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.