Finding the Fourth Proportional to 5,340,603.87, 7,374,257.30 and 4,932,542.48
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Solution
The fourth proportional to 5,340,603.87, 7,374,257.30 and 4,932,542.48 is: 6,810,809.84
Step by Step Solution
- Step 1: Write the proportion equation
5,340,603.87 : 7,374,257.30 = 4,932,542.48 : x - Step 2: Convert to fraction form
5,340,603.87/7,374,257.30 = 4,932,542.48/x - Step 3: Cross multiply
5,340,603.87x = 7,374,257.30 × 4,932,542.48 - Step 4: Simplify right side
5,340,603.87x = 36,373,837,366,160.17 - Step 5: Solve for x
x = 36,373,837,366,160.17/5,340,603.87 - Step 6: Final answer
x = 6,810,809.84
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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.