Finding the Fourth Proportional to 5,645,457.01, 7,791,115.86 and 3,198,088.18
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Solution
The fourth proportional to 5,645,457.01, 7,791,115.86 and 3,198,088.18 is: 4,413,579.89
Step by Step Solution
- Step 1: Write the proportion equation
5,645,457.01 : 7,791,115.86 = 3,198,088.18 : x - Step 2: Convert to fraction form
5,645,457.01/7,791,115.86 = 3,198,088.18/x - Step 3: Cross multiply
5,645,457.01x = 7,791,115.86 × 3,198,088.18 - Step 4: Simplify right side
5,645,457.01x = 24,916,675,540,876.54 - Step 5: Solve for x
x = 24,916,675,540,876.54/5,645,457.01 - Step 6: Final answer
x = 4,413,579.89
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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.