Finding the Fourth Proportional to 5,294,620.55, 7,306,721.79 and 2,971,657.49
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Solution
The fourth proportional to 5,294,620.55, 7,306,721.79 and 2,971,657.49 is: 4,100,968.96
Step by Step Solution
- Step 1: Write the proportion equation
5,294,620.55 : 7,306,721.79 = 2,971,657.49 : x - Step 2: Convert to fraction form
5,294,620.55/7,306,721.79 = 2,971,657.49/x - Step 3: Cross multiply
5,294,620.55x = 7,306,721.79 × 2,971,657.49 - Step 4: Simplify right side
5,294,620.55x = 21,713,074,534,599.71 - Step 5: Solve for x
x = 21,713,074,534,599.71/5,294,620.55 - Step 6: Final answer
x = 4,100,968.96
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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.