Finding the Fourth Proportional to 1,511,636.73, 2,267,440.98 and 612,864.84
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Solution
The fourth proportional to 1,511,636.73, 2,267,440.98 and 612,864.84 is: 919,291.54
Step by Step Solution
- Step 1: Write the proportion equation
1,511,636.73 : 2,267,440.98 = 612,864.84 : x - Step 2: Convert to fraction form
1,511,636.73/2,267,440.98 = 612,864.84/x - Step 3: Cross multiply
1,511,636.73x = 2,267,440.98 × 612,864.84 - Step 4: Simplify right side
1,511,636.73x = 1,389,634,853,417.14 - Step 5: Solve for x
x = 1,389,634,853,417.14/1,511,636.73 - Step 6: Final answer
x = 919,291.54
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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.