Finding the Fourth Proportional to 2,109,278.43, 3,163,415.85 and 910,544.85
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Solution
The fourth proportional to 2,109,278.43, 3,163,415.85 and 910,544.85 is: 1,365,600.66
Step by Step Solution
- Step 1: Write the proportion equation
2,109,278.43 : 3,163,415.85 = 910,544.85 : x - Step 2: Convert to fraction form
2,109,278.43/3,163,415.85 = 910,544.85/x - Step 3: Cross multiply
2,109,278.43x = 3,163,415.85 × 910,544.85 - Step 4: Simplify right side
2,109,278.43x = 2,880,432,010,625.87 - Step 5: Solve for x
x = 2,880,432,010,625.87/2,109,278.43 - Step 6: Final answer
x = 1,365,600.66
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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.