Finding the Fourth Proportional to 3,328,956.79, 4,593,958.81 and 1,878,956.35
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Solution
The fourth proportional to 3,328,956.79, 4,593,958.81 and 1,878,956.35 is: 2,592,958.88
Step by Step Solution
- Step 1: Write the proportion equation
3,328,956.79 : 4,593,958.81 = 1,878,956.35 : x - Step 2: Convert to fraction form
3,328,956.79/4,593,958.81 = 1,878,956.35/x - Step 3: Cross multiply
3,328,956.79x = 4,593,958.81 × 1,878,956.35 - Step 4: Simplify right side
3,328,956.79x = 8,631,848,077,687.94 - Step 5: Solve for x
x = 8,631,848,077,687.94/3,328,956.79 - Step 6: Final answer
x = 2,592,958.88
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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.