Finding the Fourth Proportional to 5,775,754.66, 7,970,225.65 and 3,161,753.06
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Solution
The fourth proportional to 5,775,754.66, 7,970,225.65 and 3,161,753.06 is: 4,363,046.35
Step by Step Solution
- Step 1: Write the proportion equation
5,775,754.66 : 7,970,225.65 = 3,161,753.06 : x - Step 2: Convert to fraction form
5,775,754.66/7,970,225.65 = 3,161,753.06/x - Step 3: Cross multiply
5,775,754.66x = 7,970,225.65 × 3,161,753.06 - Step 4: Simplify right side
5,775,754.66x = 25,199,885,301,879.05 - Step 5: Solve for x
x = 25,199,885,301,879.05/5,775,754.66 - Step 6: Final answer
x = 4,363,046.35
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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.