Finding the Fourth Proportional to 1,472,081.80, 2,208,122.70 and 763,493.80
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Solution
The fourth proportional to 1,472,081.80, 2,208,122.70 and 763,493.80 is: 1,145,240.70
Step by Step Solution
- Step 1: Write the proportion equation
1,472,081.80 : 2,208,122.70 = 763,493.80 : x - Step 2: Convert to fraction form
1,472,081.80/2,208,122.70 = 763,493.80/x - Step 3: Cross multiply
1,472,081.80x = 2,208,122.70 × 763,493.80 - Step 4: Simplify right side
1,472,081.80x = 1,685,887,991,089.26 - Step 5: Solve for x
x = 1,685,887,991,089.26/1,472,081.80 - Step 6: Final answer
x = 1,145,240.70
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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.