Finding the Fourth Proportional to 2,387,997.16, 3,295,407.36 and 1,300,268.40
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Solution
The fourth proportional to 2,387,997.16, 3,295,407.36 and 1,300,268.40 is: 1,794,354.75
Step by Step Solution
- Step 1: Write the proportion equation
2,387,997.16 : 3,295,407.36 = 1,300,268.40 : x - Step 2: Convert to fraction form
2,387,997.16/3,295,407.36 = 1,300,268.40/x - Step 3: Cross multiply
2,387,997.16x = 3,295,407.36 × 1,300,268.40 - Step 4: Simplify right side
2,387,997.16x = 4,284,914,055,335.42 - Step 5: Solve for x
x = 4,284,914,055,335.42/2,387,997.16 - Step 6: Final answer
x = 1,794,354.75
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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.