Finding the Fourth Proportional to 2,911,680.09, 4,367,520.14 and 889,929.81
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Solution
The fourth proportional to 2,911,680.09, 4,367,520.14 and 889,929.81 is: 1,334,894.72
Step by Step Solution
- Step 1: Write the proportion equation
2,911,680.09 : 4,367,520.14 = 889,929.81 : x - Step 2: Convert to fraction form
2,911,680.09/4,367,520.14 = 889,929.81/x - Step 3: Cross multiply
2,911,680.09x = 4,367,520.14 × 889,929.81 - Step 4: Simplify right side
2,911,680.09x = 3,886,786,363,911.72 - Step 5: Solve for x
x = 3,886,786,363,911.72/2,911,680.09 - Step 6: Final answer
x = 1,334,894.72
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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.