Finding the Fourth Proportional to 2,982,217.80, 4,473,326.70 and 738,355.80
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Solution
The fourth proportional to 2,982,217.80, 4,473,326.70 and 738,355.80 is: 1,107,533.70
Step by Step Solution
- Step 1: Write the proportion equation
2,982,217.80 : 4,473,326.70 = 738,355.80 : x - Step 2: Convert to fraction form
2,982,217.80/4,473,326.70 = 738,355.80/x - Step 3: Cross multiply
2,982,217.80x = 4,473,326.70 × 738,355.80 - Step 4: Simplify right side
2,982,217.80x = 3,302,906,714,239.86 - Step 5: Solve for x
x = 3,302,906,714,239.86/2,982,217.80 - Step 6: Final answer
x = 1,107,533.70
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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.