Finding the Fourth Proportional to 3,079,707.99, 4,250,259.86 and 1,790,466.63
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Solution
The fourth proportional to 3,079,707.99, 4,250,259.86 and 1,790,466.63 is: 2,470,996.75
Step by Step Solution
- Step 1: Write the proportion equation
3,079,707.99 : 4,250,259.86 = 1,790,466.63 : x - Step 2: Convert to fraction form
3,079,707.99/4,250,259.86 = 1,790,466.63/x - Step 3: Cross multiply
3,079,707.99x = 4,250,259.86 × 1,790,466.63 - Step 4: Simplify right side
3,079,707.99x = 7,609,948,439,206.14 - Step 5: Solve for x
x = 7,609,948,439,206.14/3,079,707.99 - Step 6: Final answer
x = 2,470,996.75
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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.