Finding the Fourth Proportional to 6,634,328.09, 9,951,483.62 and 2,085,773.90
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Solution
The fourth proportional to 6,634,328.09, 9,951,483.62 and 2,085,773.90 is: 3,128,658.17
Step by Step Solution
- Step 1: Write the proportion equation
6,634,328.09 : 9,951,483.62 = 2,085,773.90 : x - Step 2: Convert to fraction form
6,634,328.09/9,951,483.62 = 2,085,773.90/x - Step 3: Cross multiply
6,634,328.09x = 9,951,483.62 × 2,085,773.90 - Step 4: Simplify right side
6,634,328.09x = 20,756,544,756,330.54 - Step 5: Solve for x
x = 20,756,544,756,330.54/6,634,328.09 - Step 6: Final answer
x = 3,128,658.17
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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.