Finding the Fourth Proportional to 1,515,139.66, 2,091,329.99 and 895,518.82
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Solution
The fourth proportional to 1,515,139.66, 2,091,329.99 and 895,518.82 is: 1,236,074.41
Step by Step Solution
- Step 1: Write the proportion equation
1,515,139.66 : 2,091,329.99 = 895,518.82 : x - Step 2: Convert to fraction form
1,515,139.66/2,091,329.99 = 895,518.82/x - Step 3: Cross multiply
1,515,139.66x = 2,091,329.99 × 895,518.82 - Step 4: Simplify right side
1,515,139.66x = 1,872,825,360,397.82 - Step 5: Solve for x
x = 1,872,825,360,397.82/1,515,139.66 - Step 6: Final answer
x = 1,236,074.41
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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.