Finding the Fourth Proportional to 5,629,941.60, 7,769,332.64 and 3,051,619.36
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Solution
The fourth proportional to 5,629,941.60, 7,769,332.64 and 3,051,619.36 is: 4,211,241.89
Step by Step Solution
- Step 1: Write the proportion equation
5,629,941.60 : 7,769,332.64 = 3,051,619.36 : x - Step 2: Convert to fraction form
5,629,941.60/7,769,332.64 = 3,051,619.36/x - Step 3: Cross multiply
5,629,941.60x = 7,769,332.64 × 3,051,619.36 - Step 4: Simplify right side
5,629,941.60x = 23,709,045,898,503.91 - Step 5: Solve for x
x = 23,709,045,898,503.91/5,629,941.60 - Step 6: Final answer
x = 4,211,241.89
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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.