Finding the Fourth Proportional to 2,127,738.36, 2,936,268.96 and 1,160,865.66
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Solution
The fourth proportional to 2,127,738.36, 2,936,268.96 and 1,160,865.66 is: 1,601,989.17
Step by Step Solution
- Step 1: Write the proportion equation
2,127,738.36 : 2,936,268.96 = 1,160,865.66 : x - Step 2: Convert to fraction form
2,127,738.36/2,936,268.96 = 1,160,865.66/x - Step 3: Cross multiply
2,127,738.36x = 2,936,268.96 × 1,160,865.66 - Step 4: Simplify right side
2,127,738.36x = 3,408,613,804,187.91 - Step 5: Solve for x
x = 3,408,613,804,187.91/2,127,738.36 - Step 6: Final answer
x = 1,601,989.17
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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.