Finding the Fourth Proportional to 5,299,820.19, 7,949,732.76 and 1,705,586.70
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Solution
The fourth proportional to 5,299,820.19, 7,949,732.76 and 1,705,586.70 is: 2,558,380.85
Step by Step Solution
- Step 1: Write the proportion equation
5,299,820.19 : 7,949,732.76 = 1,705,586.70 : x - Step 2: Convert to fraction form
5,299,820.19/7,949,732.76 = 1,705,586.70/x - Step 3: Cross multiply
5,299,820.19x = 7,949,732.76 × 1,705,586.70 - Step 4: Simplify right side
5,299,820.19x = 13,558,958,464,010.29 - Step 5: Solve for x
x = 13,558,958,464,010.29/5,299,820.19 - Step 6: Final answer
x = 2,558,380.85
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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.