Finding the Fourth Proportional to 3,557,216.05, 5,335,836.73 and 861,543.08
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Solution
The fourth proportional to 3,557,216.05, 5,335,836.73 and 861,543.08 is: 1,292,317.69
Step by Step Solution
- Step 1: Write the proportion equation
3,557,216.05 : 5,335,836.73 = 861,543.08 : x - Step 2: Convert to fraction form
3,557,216.05/5,335,836.73 = 861,543.08/x - Step 3: Cross multiply
3,557,216.05x = 5,335,836.73 × 861,543.08 - Step 4: Simplify right side
3,557,216.05x = 4,597,053,231,931.76 - Step 5: Solve for x
x = 4,597,053,231,931.76/3,557,216.05 - Step 6: Final answer
x = 1,292,317.69
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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.