Finding the Fourth Proportional to 2,619,286.12, 3,929,570.70 and 913,192.84
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Solution
The fourth proportional to 2,619,286.12, 3,929,570.70 and 913,192.84 is: 1,370,012.92
Step by Step Solution
- Step 1: Write the proportion equation
2,619,286.12 : 3,929,570.70 = 913,192.84 : x - Step 2: Convert to fraction form
2,619,286.12/3,929,570.70 = 913,192.84/x - Step 3: Cross multiply
2,619,286.12x = 3,929,570.70 × 913,192.84 - Step 4: Simplify right side
2,619,286.12x = 3,588,455,827,513.79 - Step 5: Solve for x
x = 3,588,455,827,513.79/2,619,286.12 - Step 6: Final answer
x = 1,370,012.92
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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.