Finding the Fourth Proportional to 3,893,813.63, 5,374,940.73 and 2,929,746.41
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Solution
The fourth proportional to 3,893,813.63, 5,374,940.73 and 2,929,746.41 is: 4,044,162.05
Step by Step Solution
- Step 1: Write the proportion equation
3,893,813.63 : 5,374,940.73 = 2,929,746.41 : x - Step 2: Convert to fraction form
3,893,813.63/5,374,940.73 = 2,929,746.41/x - Step 3: Cross multiply
3,893,813.63x = 5,374,940.73 × 2,929,746.41 - Step 4: Simplify right side
3,893,813.63x = 15,747,213,307,680.28 - Step 5: Solve for x
x = 15,747,213,307,680.28/3,893,813.63 - Step 6: Final answer
x = 4,044,162.05
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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.