Finding the Fourth Proportional to 3,979,587.51, 5,968,688.11 and 1,283,912.47
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Solution
The fourth proportional to 3,979,587.51, 5,968,688.11 and 1,283,912.47 is: 1,925,645.08
Step by Step Solution
- Step 1: Write the proportion equation
3,979,587.51 : 5,968,688.11 = 1,283,912.47 : x - Step 2: Convert to fraction form
3,979,587.51/5,968,688.11 = 1,283,912.47/x - Step 3: Cross multiply
3,979,587.51x = 5,968,688.11 × 1,283,912.47 - Step 4: Simplify right side
3,979,587.51x = 7,663,273,098,220.81 - Step 5: Solve for x
x = 7,663,273,098,220.81/3,979,587.51 - Step 6: Final answer
x = 1,925,645.08
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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.