Finding the Fourth Proportional to 1,869,888.90, 2,804,979.15 and 804,965.70
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Solution
The fourth proportional to 1,869,888.90, 2,804,979.15 and 804,965.70 is: 1,207,511.32
Step by Step Solution
- Step 1: Write the proportion equation
1,869,888.90 : 2,804,979.15 = 804,965.70 : x - Step 2: Convert to fraction form
1,869,888.90/2,804,979.15 = 804,965.70/x - Step 3: Cross multiply
1,869,888.90x = 2,804,979.15 × 804,965.70 - Step 4: Simplify right side
1,869,888.90x = 2,257,912,004,965.15 - Step 5: Solve for x
x = 2,257,912,004,965.15/1,869,888.90 - Step 6: Final answer
x = 1,207,511.32
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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.