Finding the Fourth Proportional to 7,371,717.12, 11,057,750.64 and 1,980,374.40
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Solution
The fourth proportional to 7,371,717.12, 11,057,750.64 and 1,980,374.40 is: 2,970,608.60
Step by Step Solution
- Step 1: Write the proportion equation
7,371,717.12 : 11,057,750.64 = 1,980,374.40 : x - Step 2: Convert to fraction form
7,371,717.12/11,057,750.64 = 1,980,374.40/x - Step 3: Cross multiply
7,371,717.12x = 11,057,750.64 × 1,980,374.40 - Step 4: Simplify right side
7,371,717.12x = 21,898,486,289,039.62 - Step 5: Solve for x
x = 21,898,486,289,039.62/7,371,717.12 - Step 6: Final answer
x = 2,970,608.60
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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.