Finding the Fourth Proportional to 2,331,905.12, 3,219,514.88 and 1,903,207.84
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Solution
The fourth proportional to 2,331,905.12, 3,219,514.88 and 1,903,207.84 is: 2,627,639.48
Step by Step Solution
- Step 1: Write the proportion equation
2,331,905.12 : 3,219,514.88 = 1,903,207.84 : x - Step 2: Convert to fraction form
2,331,905.12/3,219,514.88 = 1,903,207.84/x - Step 3: Cross multiply
2,331,905.12x = 3,219,514.88 × 1,903,207.84 - Step 4: Simplify right side
2,331,905.12x = 6,127,405,960,612.66 - Step 5: Solve for x
x = 6,127,405,960,612.66/2,331,905.12 - Step 6: Final answer
x = 2,627,639.48
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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.