Finding the Fourth Proportional to 6,189,724.88, 8,542,434.12 and 3,473,481.68
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Solution
The fourth proportional to 6,189,724.88, 8,542,434.12 and 3,473,481.68 is: 4,793,749.16
Step by Step Solution
- Step 1: Write the proportion equation
6,189,724.88 : 8,542,434.12 = 3,473,481.68 : x - Step 2: Convert to fraction form
6,189,724.88/8,542,434.12 = 3,473,481.68/x - Step 3: Cross multiply
6,189,724.88x = 8,542,434.12 × 3,473,481.68 - Step 4: Simplify right side
6,189,724.88x = 29,671,988,418,426.92 - Step 5: Solve for x
x = 29,671,988,418,426.92/6,189,724.88 - Step 6: Final answer
x = 4,793,749.16
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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.