Finding the Fourth Proportional to 1,554,427.90, 2,331,969.90 and 489,577.60
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Solution
The fourth proportional to 1,554,427.90, 2,331,969.90 and 489,577.60 is: 734,469.72
Step by Step Solution
- Step 1: Write the proportion equation
1,554,427.90 : 2,331,969.90 = 489,577.60 : x - Step 2: Convert to fraction form
1,554,427.90/2,331,969.90 = 489,577.60/x - Step 3: Cross multiply
1,554,427.90x = 2,331,969.90 × 489,577.60 - Step 4: Simplify right side
1,554,427.90x = 1,141,680,226,914.24 - Step 5: Solve for x
x = 1,141,680,226,914.24/1,554,427.90 - Step 6: Final answer
x = 734,469.72
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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.