Finding the Fourth Proportional to 2,786,832.18, 3,845,873.25 and 1,563,409.80
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Solution
The fourth proportional to 2,786,832.18, 3,845,873.25 and 1,563,409.80 is: 2,157,530.68
Step by Step Solution
- Step 1: Write the proportion equation
2,786,832.18 : 3,845,873.25 = 1,563,409.80 : x - Step 2: Convert to fraction form
2,786,832.18/3,845,873.25 = 1,563,409.80/x - Step 3: Cross multiply
2,786,832.18x = 3,845,873.25 × 1,563,409.80 - Step 4: Simplify right side
2,786,832.18x = 6,012,675,928,607.85 - Step 5: Solve for x
x = 6,012,675,928,607.85/2,786,832.18 - Step 6: Final answer
x = 2,157,530.68
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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.