Finding the Fourth Proportional to 5,069,478.96, 7,620,161.67 and 4,403,849.11
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Solution
The fourth proportional to 5,069,478.96, 7,620,161.67 and 4,403,849.11 is: 6,619,623.52
Step by Step Solution
- Step 1: Write the proportion equation
5,069,478.96 : 7,620,161.67 = 4,403,849.11 : x - Step 2: Convert to fraction form
5,069,478.96/7,620,161.67 = 4,403,849.11/x - Step 3: Cross multiply
5,069,478.96x = 7,620,161.67 × 4,403,849.11 - Step 4: Simplify right side
5,069,478.96x = 33,558,042,169,435.21 - Step 5: Solve for x
x = 33,558,042,169,435.21/5,069,478.96 - Step 6: Final answer
x = 6,619,623.52
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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.