Finding the Fourth Proportional to 5,047,696.08, 6,965,784.54 and 2,755,856.70
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Solution
The fourth proportional to 5,047,696.08, 6,965,784.54 and 2,755,856.70 is: 3,803,062.56
Step by Step Solution
- Step 1: Write the proportion equation
5,047,696.08 : 6,965,784.54 = 2,755,856.70 : x - Step 2: Convert to fraction form
5,047,696.08/6,965,784.54 = 2,755,856.70/x - Step 3: Cross multiply
5,047,696.08x = 6,965,784.54 × 2,755,856.70 - Step 4: Simplify right side
5,047,696.08x = 19,196,703,995,315.42 - Step 5: Solve for x
x = 19,196,703,995,315.42/5,047,696.08 - Step 6: Final answer
x = 3,803,062.56
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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.