Finding the Fourth Proportional to 5,739,515.79, 8,609,769.42 and 1,479,648.03
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Solution
The fourth proportional to 5,739,515.79, 8,609,769.42 and 1,479,648.03 is: 2,219,599.85
Step by Step Solution
- Step 1: Write the proportion equation
5,739,515.79 : 8,609,769.42 = 1,479,648.03 : x - Step 2: Convert to fraction form
5,739,515.79/8,609,769.42 = 1,479,648.03/x - Step 3: Cross multiply
5,739,515.79x = 8,609,769.42 × 1,479,648.03 - Step 4: Simplify right side
5,739,515.79x = 12,739,428,361,057.24 - Step 5: Solve for x
x = 12,739,428,361,057.24/5,739,515.79 - Step 6: Final answer
x = 2,219,599.85
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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.