Finding the Fourth Proportional to 5,134,005.60, 7,689,936.32 and 4,832,173.68
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Solution
The fourth proportional to 5,134,005.60, 7,689,936.32 and 4,832,173.68 is: 7,237,839.37
Step by Step Solution
- Step 1: Write the proportion equation
5,134,005.60 : 7,689,936.32 = 4,832,173.68 : x - Step 2: Convert to fraction form
5,134,005.60/7,689,936.32 = 4,832,173.68/x - Step 3: Cross multiply
5,134,005.60x = 7,689,936.32 × 4,832,173.68 - Step 4: Simplify right side
5,134,005.60x = 37,159,107,862,219.19 - Step 5: Solve for x
x = 37,159,107,862,219.19/5,134,005.60 - Step 6: Final answer
x = 7,237,839.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.