Finding the Fourth Proportional to 2,305,116.99, 3,181,066.14 and 1,272,626.79
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Solution
The fourth proportional to 2,305,116.99, 3,181,066.14 and 1,272,626.79 is: 1,756,227.56
Step by Step Solution
- Step 1: Write the proportion equation
2,305,116.99 : 3,181,066.14 = 1,272,626.79 : x - Step 2: Convert to fraction form
2,305,116.99/3,181,066.14 = 1,272,626.79/x - Step 3: Cross multiply
2,305,116.99x = 3,181,066.14 × 1,272,626.79 - Step 4: Simplify right side
2,305,116.99x = 4,048,309,990,525.89 - Step 5: Solve for x
x = 4,048,309,990,525.89/2,305,116.99 - Step 6: Final answer
x = 1,756,227.56
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1.5x scale
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.