Finding the Fourth Proportional to 5,204,401.98, 7,181,920.44 and 2,881,398
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Solution
The fourth proportional to 5,204,401.98, 7,181,920.44 and 2,881,398 is: 3,976,243.82
Step by Step Solution
- Step 1: Write the proportion equation
5,204,401.98 : 7,181,920.44 = 2,881,398 : x - Step 2: Convert to fraction form
5,204,401.98/7,181,920.44 = 2,881,398/x - Step 3: Cross multiply
5,204,401.98x = 7,181,920.44 × 2,881,398 - Step 4: Simplify right side
5,204,401.98x = 20,693,971,191,975.12 - Step 5: Solve for x
x = 20,693,971,191,975.12/5,204,401.98 - Step 6: Final answer
x = 3,976,243.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.