Finding the Fourth Proportional to 6,688,647.67, 9,230,283.05 and 3,632,883.79
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Solution
The fourth proportional to 6,688,647.67, 9,230,283.05 and 3,632,883.79 is: 5,013,352.08
Step by Step Solution
- Step 1: Write the proportion equation
6,688,647.67 : 9,230,283.05 = 3,632,883.79 : x - Step 2: Convert to fraction form
6,688,647.67/9,230,283.05 = 3,632,883.79/x - Step 3: Cross multiply
6,688,647.67x = 9,230,283.05 × 3,632,883.79 - Step 4: Simplify right side
6,688,647.67x = 33,532,545,686,809.99 - Step 5: Solve for x
x = 33,532,545,686,809.99/6,688,647.67 - Step 6: Final answer
x = 5,013,352.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.