Finding the Fourth Proportional to 2,992,790.70, 4,486,233.60 and 1,475,231.40
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Solution
The fourth proportional to 2,992,790.70, 4,486,233.60 and 1,475,231.40 is: 2,211,391.75
Step by Step Solution
- Step 1: Write the proportion equation
2,992,790.70 : 4,486,233.60 = 1,475,231.40 : x - Step 2: Convert to fraction form
2,992,790.70/4,486,233.60 = 1,475,231.40/x - Step 3: Cross multiply
2,992,790.70x = 4,486,233.60 × 1,475,231.40 - Step 4: Simplify right side
2,992,790.70x = 6,618,232,674,455.04 - Step 5: Solve for x
x = 6,618,232,674,455.04/2,992,790.70 - Step 6: Final answer
x = 2,211,391.75
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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.