Finding the Fourth Proportional to 1,791,593.15, 2,474,041.58 and 1,138,434.44
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Solution
The fourth proportional to 1,791,593.15, 2,474,041.58 and 1,138,434.44 is: 1,572,083.56
Step by Step Solution
- Step 1: Write the proportion equation
1,791,593.15 : 2,474,041.58 = 1,138,434.44 : x - Step 2: Convert to fraction form
1,791,593.15/2,474,041.58 = 1,138,434.44/x - Step 3: Cross multiply
1,791,593.15x = 2,474,041.58 × 1,138,434.44 - Step 4: Simplify right side
1,791,593.15x = 2,816,534,128,293.81 - Step 5: Solve for x
x = 2,816,534,128,293.81/1,791,593.15 - Step 6: Final answer
x = 1,572,083.56
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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.