Finding the Fourth Proportional to 2,198,486.54, 3,297,737.22 and 778,584.08
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Solution
The fourth proportional to 2,198,486.54, 3,297,737.22 and 778,584.08 is: 1,167,878.74
Step by Step Solution
- Step 1: Write the proportion equation
2,198,486.54 : 3,297,737.22 = 778,584.08 : x - Step 2: Convert to fraction form
2,198,486.54/3,297,737.22 = 778,584.08/x - Step 3: Cross multiply
2,198,486.54x = 3,297,737.22 × 778,584.08 - Step 4: Simplify right side
2,198,486.54x = 2,567,565,699,515.46 - Step 5: Solve for x
x = 2,567,565,699,515.46/2,198,486.54 - Step 6: Final answer
x = 1,167,878.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.