Finding the Fourth Proportional to 2,422,918.54, 3,343,649.70 and 1,335,229.12
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Solution
The fourth proportional to 2,422,918.54, 3,343,649.70 and 1,335,229.12 is: 1,842,628.37
Step by Step Solution
- Step 1: Write the proportion equation
2,422,918.54 : 3,343,649.70 = 1,335,229.12 : x - Step 2: Convert to fraction form
2,422,918.54/3,343,649.70 = 1,335,229.12/x - Step 3: Cross multiply
2,422,918.54x = 3,343,649.70 × 1,335,229.12 - Step 4: Simplify right side
2,422,918.54x = 4,464,538,446,519.26 - Step 5: Solve for x
x = 4,464,538,446,519.26/2,422,918.54 - Step 6: Final answer
x = 1,842,628.37
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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.