Finding the Fourth Proportional to 5,390,428.40, 8,085,642.60 and 2,695,169.60
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Solution
The fourth proportional to 5,390,428.40, 8,085,642.60 and 2,695,169.60 is: 4,042,754.40
Step by Step Solution
- Step 1: Write the proportion equation
5,390,428.40 : 8,085,642.60 = 2,695,169.60 : x - Step 2: Convert to fraction form
5,390,428.40/8,085,642.60 = 2,695,169.60/x - Step 3: Cross multiply
5,390,428.40x = 8,085,642.60 × 2,695,169.60 - Step 4: Simplify right side
5,390,428.40x = 21,792,178,131,984.96 - Step 5: Solve for x
x = 21,792,178,131,984.96/5,390,428.40 - Step 6: Final answer
x = 4,042,754.40
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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.