Finding the Fourth Proportional to 2,970,663.10, 4,099,580.26 and 1,809,163.80
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Solution
The fourth proportional to 2,970,663.10, 4,099,580.26 and 1,809,163.80 is: 2,496,685.74
Step by Step Solution
- Step 1: Write the proportion equation
2,970,663.10 : 4,099,580.26 = 1,809,163.80 : x - Step 2: Convert to fraction form
2,970,663.10/4,099,580.26 = 1,809,163.80/x - Step 3: Cross multiply
2,970,663.10x = 4,099,580.26 × 1,809,163.80 - Step 4: Simplify right side
2,970,663.10x = 7,416,812,201,586.59 - Step 5: Solve for x
x = 7,416,812,201,586.59/2,970,663.10 - Step 6: Final answer
x = 2,496,685.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.