Finding the Fourth Proportional to 1,443,766.10, 2,165,228.67 and 432,847.70
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Solution
The fourth proportional to 1,443,766.10, 2,165,228.67 and 432,847.70 is: 649,145.49
Step by Step Solution
- Step 1: Write the proportion equation
1,443,766.10 : 2,165,228.67 = 432,847.70 : x - Step 2: Convert to fraction form
1,443,766.10/2,165,228.67 = 432,847.70/x - Step 3: Cross multiply
1,443,766.10x = 2,165,228.67 × 432,847.70 - Step 4: Simplify right side
1,443,766.10x = 937,214,249,783.56 - Step 5: Solve for x
x = 937,214,249,783.56/1,443,766.10 - Step 6: Final answer
x = 649,145.49
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1.5x scale
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.