Finding the Fourth Proportional to 1,516,121.22, 2,092,430.78 and 862,906.08
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Solution
The fourth proportional to 1,516,121.22, 2,092,430.78 and 862,906.08 is: 1,190,914.83
Step by Step Solution
- Step 1: Write the proportion equation
1,516,121.22 : 2,092,430.78 = 862,906.08 : x - Step 2: Convert to fraction form
1,516,121.22/2,092,430.78 = 862,906.08/x - Step 3: Cross multiply
1,516,121.22x = 2,092,430.78 × 862,906.08 - Step 4: Simplify right side
1,516,121.22x = 1,805,571,242,041.14 - Step 5: Solve for x
x = 1,805,571,242,041.14/1,516,121.22 - Step 6: Final answer
x = 1,190,914.83
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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.