Finding the Fourth Proportional to 4,703,230.40, 6,490,268.76 and 2,769,572.48
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Solution
The fourth proportional to 4,703,230.40, 6,490,268.76 and 2,769,572.48 is: 3,821,898.61
Step by Step Solution
- Step 1: Write the proportion equation
4,703,230.40 : 6,490,268.76 = 2,769,572.48 : x - Step 2: Convert to fraction form
4,703,230.40/6,490,268.76 = 2,769,572.48/x - Step 3: Cross multiply
4,703,230.40x = 6,490,268.76 × 2,769,572.48 - Step 4: Simplify right side
4,703,230.40x = 17,975,269,745,499.72 - Step 5: Solve for x
x = 17,975,269,745,499.72/4,703,230.40 - Step 6: Final answer
x = 3,821,898.61
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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.