Finding the Fourth Proportional to 5,035,654.19, 7,555,713.95 and 2,638,928.99
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Solution
The fourth proportional to 5,035,654.19, 7,555,713.95 and 2,638,928.99 is: 3,959,563.51
Step by Step Solution
- Step 1: Write the proportion equation
5,035,654.19 : 7,555,713.95 = 2,638,928.99 : x - Step 2: Convert to fraction form
5,035,654.19/7,555,713.95 = 2,638,928.99/x - Step 3: Cross multiply
5,035,654.19x = 7,555,713.95 × 2,638,928.99 - Step 4: Simplify right side
5,035,654.19x = 19,938,992,608,289.02 - Step 5: Solve for x
x = 19,938,992,608,289.02/5,035,654.19 - Step 6: Final answer
x = 3,959,563.51
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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.