Finding the Fourth Proportional to 3,121,501.91, 4,682,252.86 and 877,639.91
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Solution
The fourth proportional to 3,121,501.91, 4,682,252.86 and 877,639.91 is: 1,316,459.86
Step by Step Solution
- Step 1: Write the proportion equation
3,121,501.91 : 4,682,252.86 = 877,639.91 : x - Step 2: Convert to fraction form
3,121,501.91/4,682,252.86 = 877,639.91/x - Step 3: Cross multiply
3,121,501.91x = 4,682,252.86 × 877,639.91 - Step 4: Simplify right side
3,121,501.91x = 4,109,331,953,042.28 - Step 5: Solve for x
x = 4,109,331,953,042.28/3,121,501.91 - Step 6: Final answer
x = 1,316,459.86
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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.