Finding the Fourth Proportional to 3,253,884.88, 4,490,353.36 and 1,783,790.84
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Solution
The fourth proportional to 3,253,884.88, 4,490,353.36 and 1,783,790.84 is: 2,461,627.10
Step by Step Solution
- Step 1: Write the proportion equation
3,253,884.88 : 4,490,353.36 = 1,783,790.84 : x - Step 2: Convert to fraction form
3,253,884.88/4,490,353.36 = 1,783,790.84/x - Step 3: Cross multiply
3,253,884.88x = 4,490,353.36 × 1,783,790.84 - Step 4: Simplify right side
3,253,884.88x = 8,009,851,191,931.22 - Step 5: Solve for x
x = 8,009,851,191,931.22/3,253,884.88 - Step 6: Final answer
x = 2,461,627.10
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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.