Finding the Fourth Proportional to 2,405,890.10, 3,608,835.15 and 2,246,457.80
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Solution
The fourth proportional to 2,405,890.10, 3,608,835.15 and 2,246,457.80 is: 3,369,686.70
Step by Step Solution
- Step 1: Write the proportion equation
2,405,890.10 : 3,608,835.15 = 2,246,457.80 : x - Step 2: Convert to fraction form
2,405,890.10/3,608,835.15 = 2,246,457.80/x - Step 3: Cross multiply
2,405,890.10x = 3,608,835.15 × 2,246,457.80 - Step 4: Simplify right side
2,405,890.10x = 8,107,095,871,631.67 - Step 5: Solve for x
x = 8,107,095,871,631.67/2,405,890.10 - Step 6: Final answer
x = 3,369,686.70
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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.