Finding the Fourth Proportional to 5,403,090.51, 7,456,242.60 and 2,922,313.94
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Solution
The fourth proportional to 5,403,090.51, 7,456,242.60 and 2,922,313.94 is: 4,032,781.17
Step by Step Solution
- Step 1: Write the proportion equation
5,403,090.51 : 7,456,242.60 = 2,922,313.94 : x - Step 2: Convert to fraction form
5,403,090.51/7,456,242.60 = 2,922,313.94/x - Step 3: Cross multiply
5,403,090.51x = 7,456,242.60 × 2,922,313.94 - Step 4: Simplify right side
5,403,090.51x = 21,789,481,652,720.63 - Step 5: Solve for x
x = 21,789,481,652,720.63/5,403,090.51 - Step 6: Final answer
x = 4,032,781.17
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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.