Finding the Fourth Proportional to 2,803,511.28, 3,868,845.04 and 1,514,351.72
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Solution
The fourth proportional to 2,803,511.28, 3,868,845.04 and 1,514,351.72 is: 2,089,805.09
Step by Step Solution
- Step 1: Write the proportion equation
2,803,511.28 : 3,868,845.04 = 1,514,351.72 : x - Step 2: Convert to fraction form
2,803,511.28/3,868,845.04 = 1,514,351.72/x - Step 3: Cross multiply
2,803,511.28x = 3,868,845.04 × 1,514,351.72 - Step 4: Simplify right side
2,803,511.28x = 5,858,792,140,737.47 - Step 5: Solve for x
x = 5,858,792,140,737.47/2,803,511.28 - Step 6: Final answer
x = 2,089,805.09
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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.