Finding the Fourth Proportional to 1,780,489.74, 2,668,868.37 and 657,842.70
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Solution
The fourth proportional to 1,780,489.74, 2,668,868.37 and 657,842.70 is: 986,074.52
Step by Step Solution
- Step 1: Write the proportion equation
1,780,489.74 : 2,668,868.37 = 657,842.70 : x - Step 2: Convert to fraction form
1,780,489.74/2,668,868.37 = 657,842.70/x - Step 3: Cross multiply
1,780,489.74x = 2,668,868.37 × 657,842.70 - Step 4: Simplify right side
1,780,489.74x = 1,755,695,574,465.40 - Step 5: Solve for x
x = 1,755,695,574,465.40/1,780,489.74 - Step 6: Final answer
x = 986,074.52
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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.