Finding the Fourth Proportional to 1,590,736.88, 2,195,198.44 and 865,572.10
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Solution
The fourth proportional to 1,590,736.88, 2,195,198.44 and 865,572.10 is: 1,194,479.46
Step by Step Solution
- Step 1: Write the proportion equation
1,590,736.88 : 2,195,198.44 = 865,572.10 : x - Step 2: Convert to fraction form
1,590,736.88/2,195,198.44 = 865,572.10/x - Step 3: Cross multiply
1,590,736.88x = 2,195,198.44 × 865,572.10 - Step 4: Simplify right side
1,590,736.88x = 1,900,102,519,299.66 - Step 5: Solve for x
x = 1,900,102,519,299.66/1,590,736.88 - Step 6: Final answer
x = 1,194,479.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.