Finding the Fourth Proportional to 7,338,998.40, 11,008,497.60 and 2,546,187.90
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Solution
The fourth proportional to 7,338,998.40, 11,008,497.60 and 2,546,187.90 is: 3,819,281.85
Step by Step Solution
- Step 1: Write the proportion equation
7,338,998.40 : 11,008,497.60 = 2,546,187.90 : x - Step 2: Convert to fraction form
7,338,998.40/11,008,497.60 = 2,546,187.90/x - Step 3: Cross multiply
7,338,998.40x = 11,008,497.60 × 2,546,187.90 - Step 4: Simplify right side
7,338,998.40x = 28,029,703,386,299.04 - Step 5: Solve for x
x = 28,029,703,386,299.04/7,338,998.40 - Step 6: Final answer
x = 3,819,281.85
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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.