Finding the Fourth Proportional to 6,943,409.56, 9,579,832.50 and 4,492,138.96
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Solution
The fourth proportional to 6,943,409.56, 9,579,832.50 and 4,492,138.96 is: 6,197,810.81
Step by Step Solution
- Step 1: Write the proportion equation
6,943,409.56 : 9,579,832.50 = 4,492,138.96 : x - Step 2: Convert to fraction form
6,943,409.56/9,579,832.50 = 4,492,138.96/x - Step 3: Cross multiply
6,943,409.56x = 9,579,832.50 × 4,492,138.96 - Step 4: Simplify right side
6,943,409.56x = 43,033,938,803,524.20 - Step 5: Solve for x
x = 43,033,938,803,524.20/6,943,409.56 - Step 6: Final answer
x = 6,197,810.81
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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.