Finding the Fourth Proportional to 1,971,377.02, 2,719,832.07 and 1,608,173.02
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Solution
The fourth proportional to 1,971,377.02, 2,719,832.07 and 1,608,173.02 is: 2,218,733.66
Step by Step Solution
- Step 1: Write the proportion equation
1,971,377.02 : 2,719,832.07 = 1,608,173.02 : x - Step 2: Convert to fraction form
1,971,377.02/2,719,832.07 = 1,608,173.02/x - Step 3: Cross multiply
1,971,377.02x = 2,719,832.07 × 1,608,173.02 - Step 4: Simplify right side
1,971,377.02x = 4,373,960,553,904.75 - Step 5: Solve for x
x = 4,373,960,553,904.75/1,971,377.02 - Step 6: Final answer
x = 2,218,733.66
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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.