Finding the Fourth Proportional to 4,157,872.56, 6,236,808.30 and 1,564,664.76
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Solution
The fourth proportional to 4,157,872.56, 6,236,808.30 and 1,564,664.76 is: 2,346,996.94
Step by Step Solution
- Step 1: Write the proportion equation
4,157,872.56 : 6,236,808.30 = 1,564,664.76 : x - Step 2: Convert to fraction form
4,157,872.56/6,236,808.30 = 1,564,664.76/x - Step 3: Cross multiply
4,157,872.56x = 6,236,808.30 × 1,564,664.76 - Step 4: Simplify right side
4,157,872.56x = 9,758,514,161,885.51 - Step 5: Solve for x
x = 9,758,514,161,885.51/4,157,872.56 - Step 6: Final answer
x = 2,346,996.94
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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.