Finding the Fourth Proportional to 1,870,122.26, 2,580,769.14 and 1,065,306.26
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Solution
The fourth proportional to 1,870,122.26, 2,580,769.14 and 1,065,306.26 is: 1,470,122.88
Step by Step Solution
- Step 1: Write the proportion equation
1,870,122.26 : 2,580,769.14 = 1,065,306.26 : x - Step 2: Convert to fraction form
1,870,122.26/2,580,769.14 = 1,065,306.26/x - Step 3: Cross multiply
1,870,122.26x = 2,580,769.14 × 1,065,306.26 - Step 4: Simplify right side
1,870,122.26x = 2,749,309,520,456.82 - Step 5: Solve for x
x = 2,749,309,520,456.82/1,870,122.26 - Step 6: Final answer
x = 1,470,122.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.