Finding the Fourth Proportional to 4,913,910.48, 7,371,915.36 and 1,719,140.88
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Solution
The fourth proportional to 4,913,910.48, 7,371,915.36 and 1,719,140.88 is: 2,579,078.54
Step by Step Solution
- Step 1: Write the proportion equation
4,913,910.48 : 7,371,915.36 = 1,719,140.88 : x - Step 2: Convert to fraction form
4,913,910.48/7,371,915.36 = 1,719,140.88/x - Step 3: Cross multiply
4,913,910.48x = 7,371,915.36 × 1,719,140.88 - Step 4: Simplify right side
4,913,910.48x = 12,673,361,059,275.92 - Step 5: Solve for x
x = 12,673,361,059,275.92/4,913,910.48 - Step 6: Final answer
x = 2,579,078.54
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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.