Finding the Fourth Proportional to 4,213,423.37, 5,812,869.88 and 2,447,021
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Solution
The fourth proportional to 4,213,423.37, 5,812,869.88 and 2,447,021 is: 3,375,928.17
Step by Step Solution
- Step 1: Write the proportion equation
4,213,423.37 : 5,812,869.88 = 2,447,021 : x - Step 2: Convert to fraction form
4,213,423.37/5,812,869.88 = 2,447,021/x - Step 3: Cross multiply
4,213,423.37x = 5,812,869.88 × 2,447,021 - Step 4: Simplify right side
4,213,423.37x = 14,224,214,666,627.48 - Step 5: Solve for x
x = 14,224,214,666,627.48/4,213,423.37 - Step 6: Final answer
x = 3,375,928.17
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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.