Finding the Fourth Proportional to 3,342,337.96, 4,611,939.78 and 1,911,277.48
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Solution
The fourth proportional to 3,342,337.96, 4,611,939.78 and 1,911,277.48 is: 2,637,284.66
Step by Step Solution
- Step 1: Write the proportion equation
3,342,337.96 : 4,611,939.78 = 1,911,277.48 : x - Step 2: Convert to fraction form
3,342,337.96/4,611,939.78 = 1,911,277.48/x - Step 3: Cross multiply
3,342,337.96x = 4,611,939.78 × 1,911,277.48 - Step 4: Simplify right side
3,342,337.96x = 8,814,696,640,630.15 - Step 5: Solve for x
x = 8,814,696,640,630.15/3,342,337.96 - Step 6: Final answer
x = 2,637,284.66
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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.