Finding the Fourth Proportional to 5,660,686.13, 8,528,839.64 and 5,121,633.42
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Solution
The fourth proportional to 5,660,686.13, 8,528,839.64 and 5,121,633.42 is: 7,716,659.99
Step by Step Solution
- Step 1: Write the proportion equation
5,660,686.13 : 8,528,839.64 = 5,121,633.42 : x - Step 2: Convert to fraction form
5,660,686.13/8,528,839.64 = 5,121,633.42/x - Step 3: Cross multiply
5,660,686.13x = 8,528,839.64 × 5,121,633.42 - Step 4: Simplify right side
5,660,686.13x = 43,681,590,127,642.73 - Step 5: Solve for x
x = 43,681,590,127,642.73/5,660,686.13 - Step 6: Final answer
x = 7,716,659.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.