Finding the Fourth Proportional to 5,788,943.48, 7,989,232.62 and 3,211,454.63
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Solution
The fourth proportional to 5,788,943.48, 7,989,232.62 and 3,211,454.63 is: 4,432,079.56
Step by Step Solution
- Step 1: Write the proportion equation
5,788,943.48 : 7,989,232.62 = 3,211,454.63 : x - Step 2: Convert to fraction form
5,788,943.48/7,989,232.62 = 3,211,454.63/x - Step 3: Cross multiply
5,788,943.48x = 7,989,232.62 × 3,211,454.63 - Step 4: Simplify right side
5,788,943.48x = 25,657,058,047,699.87 - Step 5: Solve for x
x = 25,657,058,047,699.87/5,788,943.48 - Step 6: Final answer
x = 4,432,079.56
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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.