Finding the Fourth Proportional to 5,230,141.53, 7,218,451.94 and 4,357,592.32
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Solution
The fourth proportional to 5,230,141.53, 7,218,451.94 and 4,357,592.32 is: 6,014,191.11
Step by Step Solution
- Step 1: Write the proportion equation
5,230,141.53 : 7,218,451.94 = 4,357,592.32 : x - Step 2: Convert to fraction form
5,230,141.53/7,218,451.94 = 4,357,592.32/x - Step 3: Cross multiply
5,230,141.53x = 7,218,451.94 × 4,357,592.32 - Step 4: Simplify right side
5,230,141.53x = 31,455,070,696,199.01 - Step 5: Solve for x
x = 31,455,070,696,199.01/5,230,141.53 - Step 6: Final answer
x = 6,014,191.11
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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.