Finding the Fourth Proportional to 2,665,397.21, 3,998,092.73 and 868,277.81
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Solution
The fourth proportional to 2,665,397.21, 3,998,092.73 and 868,277.81 is: 1,302,415.70
Step by Step Solution
- Step 1: Write the proportion equation
2,665,397.21 : 3,998,092.73 = 868,277.81 : x - Step 2: Convert to fraction form
2,665,397.21/3,998,092.73 = 868,277.81/x - Step 3: Cross multiply
2,665,397.21x = 3,998,092.73 × 868,277.81 - Step 4: Simplify right side
2,665,397.21x = 3,471,455,175,449.47 - Step 5: Solve for x
x = 3,471,455,175,449.47/2,665,397.21 - Step 6: Final answer
x = 1,302,415.70
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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.