Finding the Fourth Proportional to 5,660,681.52, 8,528,832.67 and 5,121,628.77
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Solution
The fourth proportional to 5,660,681.52, 8,528,832.67 and 5,121,628.77 is: 7,716,652.95
Step by Step Solution
- Step 1: Write the proportion equation
5,660,681.52 : 8,528,832.67 = 5,121,628.77 : x - Step 2: Convert to fraction form
5,660,681.52/8,528,832.67 = 5,121,628.77/x - Step 3: Cross multiply
5,660,681.52x = 8,528,832.67 × 5,121,628.77 - Step 4: Simplify right side
5,660,681.52x = 43,681,514,777,187.91 - Step 5: Solve for x
x = 43,681,514,777,187.91/5,660,681.52 - Step 6: Final answer
x = 7,716,652.95
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1.5x scale
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.