Finding the Fourth Proportional to 4,922,368.58, 7,383,552.91 and 1,328,135.54
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Solution
The fourth proportional to 4,922,368.58, 7,383,552.91 and 1,328,135.54 is: 1,992,203.31
Step by Step Solution
- Step 1: Write the proportion equation
4,922,368.58 : 7,383,552.91 = 1,328,135.54 : x - Step 2: Convert to fraction form
4,922,368.58/7,383,552.91 = 1,328,135.54/x - Step 3: Cross multiply
4,922,368.58x = 7,383,552.91 × 1,328,135.54 - Step 4: Simplify right side
4,922,368.58x = 9,806,358,991,003.32 - Step 5: Solve for x
x = 9,806,358,991,003.32/4,922,368.58 - Step 6: Final answer
x = 1,992,203.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.