Finding the Fourth Proportional to 2,278,315.23, 3,142,593.66 and 1,461,224.68
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Solution
The fourth proportional to 2,278,315.23, 3,142,593.66 and 1,461,224.68 is: 2,015,539.98
Step by Step Solution
- Step 1: Write the proportion equation
2,278,315.23 : 3,142,593.66 = 1,461,224.68 : x - Step 2: Convert to fraction form
2,278,315.23/3,142,593.66 = 1,461,224.68/x - Step 3: Cross multiply
2,278,315.23x = 3,142,593.66 × 1,461,224.68 - Step 4: Simplify right side
2,278,315.23x = 4,592,035,415,203.53 - Step 5: Solve for x
x = 4,592,035,415,203.53/2,278,315.23 - Step 6: Final answer
x = 2,015,539.98
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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.