Finding the Fourth Proportional to 2,791,647.60, 3,853,463.60 and 1,689,135.84
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Solution
The fourth proportional to 2,791,647.60, 3,853,463.60 and 1,689,135.84 is: 2,331,606.42
Step by Step Solution
- Step 1: Write the proportion equation
2,791,647.60 : 3,853,463.60 = 1,689,135.84 : x - Step 2: Convert to fraction form
2,791,647.60/3,853,463.60 = 1,689,135.84/x - Step 3: Cross multiply
2,791,647.60x = 3,853,463.60 × 1,689,135.84 - Step 4: Simplify right side
2,791,647.60x = 6,509,023,474,895.43 - Step 5: Solve for x
x = 6,509,023,474,895.43/2,791,647.60 - Step 6: Final answer
x = 2,331,606.42
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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.