Finding the Fourth Proportional to 5,341,849.14, 7,371,777.48 and 2,894,459.54
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Solution
The fourth proportional to 5,341,849.14, 7,371,777.48 and 2,894,459.54 is: 3,994,368.07
Step by Step Solution
- Step 1: Write the proportion equation
5,341,849.14 : 7,371,777.48 = 2,894,459.54 : x - Step 2: Convert to fraction form
5,341,849.14/7,371,777.48 = 2,894,459.54/x - Step 3: Cross multiply
5,341,849.14x = 7,371,777.48 × 2,894,459.54 - Step 4: Simplify right side
5,341,849.14x = 21,337,311,653,743.16 - Step 5: Solve for x
x = 21,337,311,653,743.16/5,341,849.14 - Step 6: Final answer
x = 3,994,368.07
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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.