Finding the Fourth Proportional to 4,421,680.80, 6,102,038.66 and 2,488,009.92
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Solution
The fourth proportional to 4,421,680.80, 6,102,038.66 and 2,488,009.92 is: 3,433,520.73
Step by Step Solution
- Step 1: Write the proportion equation
4,421,680.80 : 6,102,038.66 = 2,488,009.92 : x - Step 2: Convert to fraction form
4,421,680.80/6,102,038.66 = 2,488,009.92/x - Step 3: Cross multiply
4,421,680.80x = 6,102,038.66 × 2,488,009.92 - Step 4: Simplify right side
4,421,680.80x = 15,181,932,705,863.46 - Step 5: Solve for x
x = 15,181,932,705,863.46/4,421,680.80 - Step 6: Final answer
x = 3,433,520.73
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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.