Finding the Fourth Proportional to 1,602,961.47, 2,212,071.08 and 867,912.17
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Solution
The fourth proportional to 1,602,961.47, 2,212,071.08 and 867,912.17 is: 1,197,710.26
Step by Step Solution
- Step 1: Write the proportion equation
1,602,961.47 : 2,212,071.08 = 867,912.17 : x - Step 2: Convert to fraction form
1,602,961.47/2,212,071.08 = 867,912.17/x - Step 3: Cross multiply
1,602,961.47x = 2,212,071.08 × 867,912.17 - Step 4: Simplify right side
1,602,961.47x = 1,919,883,395,837.13 - Step 5: Solve for x
x = 1,919,883,395,837.13/1,602,961.47 - Step 6: Final answer
x = 1,197,710.26
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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.