Finding the Fourth Proportional to 3,056,637.09, 4,221,858.68 and 2,228,399.03
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Solution
The fourth proportional to 3,056,637.09, 4,221,858.68 and 2,228,399.03 is: 3,077,887.73
Step by Step Solution
- Step 1: Write the proportion equation
3,056,637.09 : 4,221,858.68 = 2,228,399.03 : x - Step 2: Convert to fraction form
3,056,637.09/4,221,858.68 = 2,228,399.03/x - Step 3: Cross multiply
3,056,637.09x = 4,221,858.68 × 2,228,399.03 - Step 4: Simplify right side
3,056,637.09x = 9,407,985,795,078.23 - Step 5: Solve for x
x = 9,407,985,795,078.23/3,056,637.09 - Step 6: Final answer
x = 3,077,887.73
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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.