Finding the Fourth Proportional to 4,230,880.68, 5,843,422.54 and 2,851,845.96
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Solution
The fourth proportional to 4,230,880.68, 5,843,422.54 and 2,851,845.96 is: 3,938,787.74
Step by Step Solution
- Step 1: Write the proportion equation
4,230,880.68 : 5,843,422.54 = 2,851,845.96 : x - Step 2: Convert to fraction form
4,230,880.68/5,843,422.54 = 2,851,845.96/x - Step 3: Cross multiply
4,230,880.68x = 5,843,422.54 × 2,851,845.96 - Step 4: Simplify right side
4,230,880.68x = 16,664,540,963,271.94 - Step 5: Solve for x
x = 16,664,540,963,271.94/4,230,880.68 - Step 6: Final answer
x = 3,938,787.74
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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.