Finding the Fourth Proportional to 5,716,072.48, 7,887,746.64 and 3,137,343.52
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Solution
The fourth proportional to 5,716,072.48, 7,887,746.64 and 3,137,343.52 is: 4,329,296.19
Step by Step Solution
- Step 1: Write the proportion equation
5,716,072.48 : 7,887,746.64 = 3,137,343.52 : x - Step 2: Convert to fraction form
5,716,072.48/7,887,746.64 = 3,137,343.52/x - Step 3: Cross multiply
5,716,072.48x = 7,887,746.64 × 3,137,343.52 - Step 4: Simplify right side
5,716,072.48x = 24,746,570,808,405.77 - Step 5: Solve for x
x = 24,746,570,808,405.77/5,716,072.48 - Step 6: Final answer
x = 4,329,296.19
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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.