Finding the Fourth Proportional to 2,148,827.84, 2,965,333.68 and 1,181,937.36
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Solution
The fourth proportional to 2,148,827.84, 2,965,333.68 and 1,181,937.36 is: 1,631,046.75
Step by Step Solution
- Step 1: Write the proportion equation
2,148,827.84 : 2,965,333.68 = 1,181,937.36 : x - Step 2: Convert to fraction form
2,148,827.84/2,965,333.68 = 1,181,937.36/x - Step 3: Cross multiply
2,148,827.84x = 2,965,333.68 × 1,181,937.36 - Step 4: Simplify right side
2,148,827.84x = 3,504,838,661,258.29 - Step 5: Solve for x
x = 3,504,838,661,258.29/2,148,827.84 - Step 6: Final answer
x = 1,631,046.75
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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.