Finding the Fourth Proportional to 5,356,281.68, 7,393,930.66 and 3,616,308.14
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Solution
The fourth proportional to 5,356,281.68, 7,393,930.66 and 3,616,308.14 is: 4,992,032.39
Step by Step Solution
- Step 1: Write the proportion equation
5,356,281.68 : 7,393,930.66 = 3,616,308.14 : x - Step 2: Convert to fraction form
5,356,281.68/7,393,930.66 = 3,616,308.14/x - Step 3: Cross multiply
5,356,281.68x = 7,393,930.66 × 3,616,308.14 - Step 4: Simplify right side
5,356,281.68x = 26,738,731,632,353.57 - Step 5: Solve for x
x = 26,738,731,632,353.57/5,356,281.68 - Step 6: Final answer
x = 4,992,032.39
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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.