Finding the Fourth Proportional to 5,477,438.37, 8,216,905.23 and 2,281,817.21
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Solution
The fourth proportional to 5,477,438.37, 8,216,905.23 and 2,281,817.21 is: 3,423,037.28
Step by Step Solution
- Step 1: Write the proportion equation
5,477,438.37 : 8,216,905.23 = 2,281,817.21 : x - Step 2: Convert to fraction form
5,477,438.37/8,216,905.23 = 2,281,817.21/x - Step 3: Cross multiply
5,477,438.37x = 8,216,905.23 × 2,281,817.21 - Step 4: Simplify right side
5,477,438.37x = 18,749,475,725,668.48 - Step 5: Solve for x
x = 18,749,475,725,668.48/5,477,438.37 - Step 6: Final answer
x = 3,423,037.28
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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.