Finding the Fourth Proportional to 6,872,325.60, 9,483,549.66 and 3,816,736.68
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Solution
The fourth proportional to 6,872,325.60, 9,483,549.66 and 3,816,736.68 is: 5,266,952.40
Step by Step Solution
- Step 1: Write the proportion equation
6,872,325.60 : 9,483,549.66 = 3,816,736.68 : x - Step 2: Convert to fraction form
6,872,325.60/9,483,549.66 = 3,816,736.68/x - Step 3: Cross multiply
6,872,325.60x = 9,483,549.66 × 3,816,736.68 - Step 4: Simplify right side
6,872,325.60x = 36,196,211,843,923.53 - Step 5: Solve for x
x = 36,196,211,843,923.53/6,872,325.60 - Step 6: Final answer
x = 5,266,952.40
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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.