Finding the Fourth Proportional to 4,757,330.24, 7,135,931.56 and 1,163,128.18
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Solution
The fourth proportional to 4,757,330.24, 7,135,931.56 and 1,163,128.18 is: 1,744,676.67
Step by Step Solution
- Step 1: Write the proportion equation
4,757,330.24 : 7,135,931.56 = 1,163,128.18 : x - Step 2: Convert to fraction form
4,757,330.24/7,135,931.56 = 1,163,128.18/x - Step 3: Cross multiply
4,757,330.24x = 7,135,931.56 × 1,163,128.18 - Step 4: Simplify right side
4,757,330.24x = 8,300,003,087,987.36 - Step 5: Solve for x
x = 8,300,003,087,987.36/4,757,330.24 - Step 6: Final answer
x = 1,744,676.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.