Finding the Fourth Proportional to 5,736,408.23, 7,915,958.61 and 3,158,033.65
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Solution
The fourth proportional to 5,736,408.23, 7,915,958.61 and 3,158,033.65 is: 4,357,929.68
Step by Step Solution
- Step 1: Write the proportion equation
5,736,408.23 : 7,915,958.61 = 3,158,033.65 : x - Step 2: Convert to fraction form
5,736,408.23/7,915,958.61 = 3,158,033.65/x - Step 3: Cross multiply
5,736,408.23x = 7,915,958.61 × 3,158,033.65 - Step 4: Simplify right side
5,736,408.23x = 24,998,863,662,387.23 - Step 5: Solve for x
x = 24,998,863,662,387.23/5,736,408.23 - Step 6: Final answer
x = 4,357,929.68
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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.