Finding the Fourth Proportional to 1,574,198.70, 2,363,047.65 and 865,610.70
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Solution
The fourth proportional to 1,574,198.70, 2,363,047.65 and 865,610.70 is: 1,299,378.11
Step by Step Solution
- Step 1: Write the proportion equation
1,574,198.70 : 2,363,047.65 = 865,610.70 : x - Step 2: Convert to fraction form
1,574,198.70/2,363,047.65 = 865,610.70/x - Step 3: Cross multiply
1,574,198.70x = 2,363,047.65 × 865,610.70 - Step 4: Simplify right side
1,574,198.70x = 2,045,479,330,449.85 - Step 5: Solve for x
x = 2,045,479,330,449.85/1,574,198.70 - Step 6: Final answer
x = 1,299,378.11
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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.