Finding the Fourth Proportional to 5,047,699.08, 6,965,788.68 and 2,755,859.70
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Solution
The fourth proportional to 5,047,699.08, 6,965,788.68 and 2,755,859.70 is: 3,803,066.70
Step by Step Solution
- Step 1: Write the proportion equation
5,047,699.08 : 6,965,788.68 = 2,755,859.70 : x - Step 2: Convert to fraction form
5,047,699.08/6,965,788.68 = 2,755,859.70/x - Step 3: Cross multiply
5,047,699.08x = 6,965,788.68 × 2,755,859.70 - Step 4: Simplify right side
5,047,699.08x = 19,196,736,301,928.20 - Step 5: Solve for x
x = 19,196,736,301,928.20/5,047,699.08 - Step 6: Final answer
x = 3,803,066.70
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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.