Finding the Fourth Proportional to 5,583,153.52, 7,704,139.80 and 3,135,268.72
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Solution
The fourth proportional to 5,583,153.52, 7,704,139.80 and 3,135,268.72 is: 4,326,327.13
Step by Step Solution
- Step 1: Write the proportion equation
5,583,153.52 : 7,704,139.80 = 3,135,268.72 : x - Step 2: Convert to fraction form
5,583,153.52/7,704,139.80 = 3,135,268.72/x - Step 3: Cross multiply
5,583,153.52x = 7,704,139.80 × 3,135,268.72 - Step 4: Simplify right side
5,583,153.52x = 24,154,548,529,447.06 - Step 5: Solve for x
x = 24,154,548,529,447.06/5,583,153.52 - Step 6: Final answer
x = 4,326,327.13
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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.