Finding the Fourth Proportional to 5,147,190.84, 7,721,972.34 and 1,781,397.84
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Solution
The fourth proportional to 5,147,190.84, 7,721,972.34 and 1,781,397.84 is: 2,672,507.25
Step by Step Solution
- Step 1: Write the proportion equation
5,147,190.84 : 7,721,972.34 = 1,781,397.84 : x - Step 2: Convert to fraction form
5,147,190.84/7,721,972.34 = 1,781,397.84/x - Step 3: Cross multiply
5,147,190.84x = 7,721,972.34 × 1,781,397.84 - Step 4: Simplify right side
5,147,190.84x = 13,755,904,847,015.75 - Step 5: Solve for x
x = 13,755,904,847,015.75/5,147,190.84 - Step 6: Final answer
x = 2,672,507.25
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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.