Finding the Fourth Proportional to 5,622,480.78, 8,433,720.99 and 1,362,649.02
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Solution
The fourth proportional to 5,622,480.78, 8,433,720.99 and 1,362,649.02 is: 2,043,973.49
Step by Step Solution
- Step 1: Write the proportion equation
5,622,480.78 : 8,433,720.99 = 1,362,649.02 : x - Step 2: Convert to fraction form
5,622,480.78/8,433,720.99 = 1,362,649.02/x - Step 3: Cross multiply
5,622,480.78x = 8,433,720.99 × 1,362,649.02 - Step 4: Simplify right side
5,622,480.78x = 11,492,201,641,976.93 - Step 5: Solve for x
x = 11,492,201,641,976.93/5,622,480.78 - Step 6: Final answer
x = 2,043,973.49
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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.