Finding the Fourth Proportional to 3,220,489.80, 4,830,731.60 and 824,330.59
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Solution
The fourth proportional to 3,220,489.80, 4,830,731.60 and 824,330.59 is: 1,236,495.09
Step by Step Solution
- Step 1: Write the proportion equation
3,220,489.80 : 4,830,731.60 = 824,330.59 : x - Step 2: Convert to fraction form
3,220,489.80/4,830,731.60 = 824,330.59/x - Step 3: Cross multiply
3,220,489.80x = 4,830,731.60 × 824,330.59 - Step 4: Simplify right side
3,220,489.80x = 3,982,119,813,761.16 - Step 5: Solve for x
x = 3,982,119,813,761.16/3,220,489.80 - Step 6: Final answer
x = 1,236,495.09
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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.