Finding the Fourth Proportional to 3,762,432.18, 5,192,171.28 and 2,043,581.40
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Solution
The fourth proportional to 3,762,432.18, 5,192,171.28 and 2,043,581.40 is: 2,820,150.41
Step by Step Solution
- Step 1: Write the proportion equation
3,762,432.18 : 5,192,171.28 = 2,043,581.40 : x - Step 2: Convert to fraction form
3,762,432.18/5,192,171.28 = 2,043,581.40/x - Step 3: Cross multiply
3,762,432.18x = 5,192,171.28 × 2,043,581.40 - Step 4: Simplify right side
3,762,432.18x = 10,610,624,653,422.19 - Step 5: Solve for x
x = 10,610,624,653,422.19/3,762,432.18 - Step 6: Final answer
x = 2,820,150.41
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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.