Finding the Fourth Proportional to 4,698,673.80, 7,042,761.90 and 2,677,885.80
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Solution
The fourth proportional to 4,698,673.80, 7,042,761.90 and 2,677,885.80 is: 4,013,837.28
Step by Step Solution
- Step 1: Write the proportion equation
4,698,673.80 : 7,042,761.90 = 2,677,885.80 : x - Step 2: Convert to fraction form
4,698,673.80/7,042,761.90 = 2,677,885.80/x - Step 3: Cross multiply
4,698,673.80x = 7,042,761.90 × 2,677,885.80 - Step 4: Simplify right side
4,698,673.80x = 18,859,712,084,791.02 - Step 5: Solve for x
x = 18,859,712,084,791.02/4,698,673.80 - Step 6: Final answer
x = 4,013,837.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.