Finding the Fourth Proportional to 4,979,565.15, 7,457,373.39 and 2,843,173.95
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Solution
The fourth proportional to 4,979,565.15, 7,457,373.39 and 2,843,173.95 is: 4,257,923.96
Step by Step Solution
- Step 1: Write the proportion equation
4,979,565.15 : 7,457,373.39 = 2,843,173.95 : x - Step 2: Convert to fraction form
4,979,565.15/7,457,373.39 = 2,843,173.95/x - Step 3: Cross multiply
4,979,565.15x = 7,457,373.39 × 2,843,173.95 - Step 4: Simplify right side
4,979,565.15x = 21,202,609,757,871.19 - Step 5: Solve for x
x = 21,202,609,757,871.19/4,979,565.15 - Step 6: Final answer
x = 4,257,923.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.