Finding the Fourth Proportional to 3,407,253.05, 4,702,518.38 and 2,184,938.75
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Solution
The fourth proportional to 3,407,253.05, 4,702,518.38 and 2,184,938.75 is: 3,015,541.99
Step by Step Solution
- Step 1: Write the proportion equation
3,407,253.05 : 4,702,518.38 = 2,184,938.75 : x - Step 2: Convert to fraction form
3,407,253.05/4,702,518.38 = 2,184,938.75/x - Step 3: Cross multiply
3,407,253.05x = 4,702,518.38 × 2,184,938.75 - Step 4: Simplify right side
3,407,253.05x = 10,274,714,648,267.87 - Step 5: Solve for x
x = 10,274,714,648,267.87/3,407,253.05 - Step 6: Final answer
x = 3,015,541.99
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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.