Finding the Fourth Proportional to 4,173,338.21, 5,749,374.54 and 3,922,232.33
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Solution
The fourth proportional to 4,173,338.21, 5,749,374.54 and 3,922,232.33 is: 5,403,440.02
Step by Step Solution
- Step 1: Write the proportion equation
4,173,338.21 : 5,749,374.54 = 3,922,232.33 : x - Step 2: Convert to fraction form
4,173,338.21/5,749,374.54 = 3,922,232.33/x - Step 3: Cross multiply
4,173,338.21x = 5,749,374.54 × 3,922,232.33 - Step 4: Simplify right side
4,173,338.21x = 22,550,382,669,320.01 - Step 5: Solve for x
x = 22,550,382,669,320.01/4,173,338.21 - Step 6: Final answer
x = 5,403,440.02
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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.