Finding the Fourth Proportional to 1,672,852.69, 2,509,276.20 and 474,786.55
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Solution
The fourth proportional to 1,672,852.69, 2,509,276.20 and 474,786.55 is: 712,179.02
Step by Step Solution
- Step 1: Write the proportion equation
1,672,852.69 : 2,509,276.20 = 474,786.55 : x - Step 2: Convert to fraction form
1,672,852.69/2,509,276.20 = 474,786.55/x - Step 3: Cross multiply
1,672,852.69x = 2,509,276.20 × 474,786.55 - Step 4: Simplify right side
1,672,852.69x = 1,191,370,589,995.11 - Step 5: Solve for x
x = 1,191,370,589,995.11/1,672,852.69 - Step 6: Final answer
x = 712,179.02
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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.