Finding the Fourth Proportional to 5,221,148.10, 7,832,140.79 and 1,984,236.48
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Solution
The fourth proportional to 5,221,148.10, 7,832,140.79 and 1,984,236.48 is: 2,976,513.82
Step by Step Solution
- Step 1: Write the proportion equation
5,221,148.10 : 7,832,140.79 = 1,984,236.48 : x - Step 2: Convert to fraction form
5,221,148.10/7,832,140.79 = 1,984,236.48/x - Step 3: Cross multiply
5,221,148.10x = 7,832,140.79 × 1,984,236.48 - Step 4: Simplify right side
5,221,148.10x = 15,540,819,472,014.02 - Step 5: Solve for x
x = 15,540,819,472,014.02/5,221,148.10 - Step 6: Final answer
x = 2,976,513.82
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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.