Finding the Fourth Proportional to 1,477,170.70, 2,215,756.05 and 479,898.70
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Solution
The fourth proportional to 1,477,170.70, 2,215,756.05 and 479,898.70 is: 719,848.05
Step by Step Solution
- Step 1: Write the proportion equation
1,477,170.70 : 2,215,756.05 = 479,898.70 : x - Step 2: Convert to fraction form
1,477,170.70/2,215,756.05 = 479,898.70/x - Step 3: Cross multiply
1,477,170.70x = 2,215,756.05 × 479,898.70 - Step 4: Simplify right side
1,477,170.70x = 1,063,338,447,912.13 - Step 5: Solve for x
x = 1,063,338,447,912.13/1,477,170.70 - Step 6: Final answer
x = 719,848.05
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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.