Finding the Fourth Proportional to 3,365,712.29, 4,676,039.35 and 3,325,355.99
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Solution
The fourth proportional to 3,365,712.29, 4,676,039.35 and 3,325,355.99 is: 4,619,971.68
Step by Step Solution
- Step 1: Write the proportion equation
3,365,712.29 : 4,676,039.35 = 3,325,355.99 : x - Step 2: Convert to fraction form
3,365,712.29/4,676,039.35 = 3,325,355.99/x - Step 3: Cross multiply
3,365,712.29x = 4,676,039.35 × 3,325,355.99 - Step 4: Simplify right side
3,365,712.29x = 15,549,495,459,139.87 - Step 5: Solve for x
x = 15,549,495,459,139.87/3,365,712.29 - Step 6: Final answer
x = 4,619,971.68
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.