Finding the Fourth Proportional to 6,786,140.49, 9,364,883.99 and 3,730,373.37
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Solution
The fourth proportional to 6,786,140.49, 9,364,883.99 and 3,730,373.37 is: 5,147,920.81
Step by Step Solution
- Step 1: Write the proportion equation
6,786,140.49 : 9,364,883.99 = 3,730,373.37 : x - Step 2: Convert to fraction form
6,786,140.49/9,364,883.99 = 3,730,373.37/x - Step 3: Cross multiply
6,786,140.49x = 9,364,883.99 × 3,730,373.37 - Step 4: Simplify right side
6,786,140.49x = 34,934,513,830,783.48 - Step 5: Solve for x
x = 34,934,513,830,783.48/6,786,140.49 - Step 6: Final answer
x = 5,147,920.81
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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.