Finding the Fourth Proportional to 2,195,282.20, 3,029,629.98 and 1,228,523.80
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Solution
The fourth proportional to 2,195,282.20, 3,029,629.98 and 1,228,523.80 is: 1,695,441.50
Step by Step Solution
- Step 1: Write the proportion equation
2,195,282.20 : 3,029,629.98 = 1,228,523.80 : x - Step 2: Convert to fraction form
2,195,282.20/3,029,629.98 = 1,228,523.80/x - Step 3: Cross multiply
2,195,282.20x = 3,029,629.98 × 1,228,523.80 - Step 4: Simplify right side
2,195,282.20x = 3,721,972,535,623.52 - Step 5: Solve for x
x = 3,721,972,535,623.52/2,195,282.20 - Step 6: Final answer
x = 1,695,441.50
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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.