Finding the Fourth Proportional to 1,511,638.73, 2,267,443.98 and 612,866.84
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Solution
The fourth proportional to 1,511,638.73, 2,267,443.98 and 612,866.84 is: 919,294.54
Step by Step Solution
- Step 1: Write the proportion equation
1,511,638.73 : 2,267,443.98 = 612,866.84 : x - Step 2: Convert to fraction form
1,511,638.73/2,267,443.98 = 612,866.84/x - Step 3: Cross multiply
1,511,638.73x = 2,267,443.98 × 612,866.84 - Step 4: Simplify right side
1,511,638.73x = 1,389,641,226,899.62 - Step 5: Solve for x
x = 1,389,641,226,899.62/1,511,638.73 - Step 6: Final answer
x = 919,294.54
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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.