Finding the Fourth Proportional to 5,402,409.21, 7,455,046.41 and 2,954,543.85
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Solution
The fourth proportional to 5,402,409.21, 7,455,046.41 and 2,954,543.85 is: 4,077,118.31
Step by Step Solution
- Step 1: Write the proportion equation
5,402,409.21 : 7,455,046.41 = 2,954,543.85 : x - Step 2: Convert to fraction form
5,402,409.21/7,455,046.41 = 2,954,543.85/x - Step 3: Cross multiply
5,402,409.21x = 7,455,046.41 × 2,954,543.85 - Step 4: Simplify right side
5,402,409.21x = 22,026,261,522,130.08 - Step 5: Solve for x
x = 22,026,261,522,130.08/5,402,409.21 - Step 6: Final answer
x = 4,077,118.31
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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.