Finding the Fourth Proportional to 4,703,008.54, 7,053,231.49 and 1,290,486.10
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Solution
The fourth proportional to 4,703,008.54, 7,053,231.49 and 1,290,486.10 is: 1,935,377.56
Step by Step Solution
- Step 1: Write the proportion equation
4,703,008.54 : 7,053,231.49 = 1,290,486.10 : x - Step 2: Convert to fraction form
4,703,008.54/7,053,231.49 = 1,290,486.10/x - Step 3: Cross multiply
4,703,008.54x = 7,053,231.49 × 1,290,486.10 - Step 4: Simplify right side
4,703,008.54x = 9,102,097,197,927.29 - Step 5: Solve for x
x = 9,102,097,197,927.29/4,703,008.54 - Step 6: Final answer
x = 1,935,377.56
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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.