Finding the Fourth Proportional to 1,483,478.90, 2,047,190.60 and 804,415.40
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Solution
The fourth proportional to 1,483,478.90, 2,047,190.60 and 804,415.40 is: 1,110,087.68
Step by Step Solution
- Step 1: Write the proportion equation
1,483,478.90 : 2,047,190.60 = 804,415.40 : x - Step 2: Convert to fraction form
1,483,478.90/2,047,190.60 = 804,415.40/x - Step 3: Cross multiply
1,483,478.90x = 2,047,190.60 × 804,415.40 - Step 4: Simplify right side
1,483,478.90x = 1,646,791,645,375.24 - Step 5: Solve for x
x = 1,646,791,645,375.24/1,483,478.90 - Step 6: Final answer
x = 1,110,087.68
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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.