Finding the Fourth Proportional to 1,639,616.58, 2,443,124.85 and 1,460,749.14
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Solution
The fourth proportional to 1,639,616.58, 2,443,124.85 and 1,460,749.14 is: 2,176,601.88
Step by Step Solution
- Step 1: Write the proportion equation
1,639,616.58 : 2,443,124.85 = 1,460,749.14 : x - Step 2: Convert to fraction form
1,639,616.58/2,443,124.85 = 1,460,749.14/x - Step 3: Cross multiply
1,639,616.58x = 2,443,124.85 × 1,460,749.14 - Step 4: Simplify right side
1,639,616.58x = 3,568,792,523,550.13 - Step 5: Solve for x
x = 3,568,792,523,550.13/1,639,616.58 - Step 6: Final answer
x = 2,176,601.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.