Finding the Fourth Proportional to 3,552,555.20, 5,322,709.20 and 1,655,405.60
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Solution
The fourth proportional to 3,552,555.20, 5,322,709.20 and 1,655,405.60 is: 2,480,254.95
Step by Step Solution
- Step 1: Write the proportion equation
3,552,555.20 : 5,322,709.20 = 1,655,405.60 : x - Step 2: Convert to fraction form
3,552,555.20/5,322,709.20 = 1,655,405.60/x - Step 3: Cross multiply
3,552,555.20x = 5,322,709.20 × 1,655,405.60 - Step 4: Simplify right side
3,552,555.20x = 8,811,242,616,851.52 - Step 5: Solve for x
x = 8,811,242,616,851.52/3,552,555.20 - Step 6: Final answer
x = 2,480,254.95
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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.