Finding the Fourth Proportional to 5,321,422.48, 7,343,569.68 and 3,029,583.12
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Solution
The fourth proportional to 5,321,422.48, 7,343,569.68 and 3,029,583.12 is: 4,180,828.50
Step by Step Solution
- Step 1: Write the proportion equation
5,321,422.48 : 7,343,569.68 = 3,029,583.12 : x - Step 2: Convert to fraction form
5,321,422.48/7,343,569.68 = 3,029,583.12/x - Step 3: Cross multiply
5,321,422.48x = 7,343,569.68 × 3,029,583.12 - Step 4: Simplify right side
5,321,422.48x = 22,247,954,743,071.80 - Step 5: Solve for x
x = 22,247,954,743,071.80/5,321,422.48 - Step 6: Final answer
x = 4,180,828.50
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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.