Finding the Fourth Proportional to 8,579,020.98, 12,868,523.19 and 2,189,273.34
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Solution
The fourth proportional to 8,579,020.98, 12,868,523.19 and 2,189,273.34 is: 3,283,907.90
Step by Step Solution
- Step 1: Write the proportion equation
8,579,020.98 : 12,868,523.19 = 2,189,273.34 : x - Step 2: Convert to fraction form
8,579,020.98/12,868,523.19 = 2,189,273.34/x - Step 3: Cross multiply
8,579,020.98x = 12,868,523.19 × 2,189,273.34 - Step 4: Simplify right side
8,579,020.98x = 28,172,714,745,038.75 - Step 5: Solve for x
x = 28,172,714,745,038.75/8,579,020.98 - Step 6: Final answer
x = 3,283,907.90
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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.