Finding the Fourth Proportional to 1,440,239.24, 2,160,621.30 and 493,705.64
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Solution
The fourth proportional to 1,440,239.24, 2,160,621.30 and 493,705.64 is: 740,648.42
Step by Step Solution
- Step 1: Write the proportion equation
1,440,239.24 : 2,160,621.30 = 493,705.64 : x - Step 2: Convert to fraction form
1,440,239.24/2,160,621.30 = 493,705.64/x - Step 3: Cross multiply
1,440,239.24x = 2,160,621.30 × 493,705.64 - Step 4: Simplify right side
1,440,239.24x = 1,066,710,921,714.13 - Step 5: Solve for x
x = 1,066,710,921,714.13/1,440,239.24 - Step 6: Final answer
x = 740,648.42
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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.