Finding the Fourth Proportional to 2,530,563.19, 3,492,177.20 and 1,384,643.53
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Solution
The fourth proportional to 2,530,563.19, 3,492,177.20 and 1,384,643.53 is: 1,910,808.07
Step by Step Solution
- Step 1: Write the proportion equation
2,530,563.19 : 3,492,177.20 = 1,384,643.53 : x - Step 2: Convert to fraction form
2,530,563.19/3,492,177.20 = 1,384,643.53/x - Step 3: Cross multiply
2,530,563.19x = 3,492,177.20 × 1,384,643.53 - Step 4: Simplify right side
2,530,563.19x = 4,835,420,568,227.93 - Step 5: Solve for x
x = 4,835,420,568,227.93/2,530,563.19 - Step 6: Final answer
x = 1,910,808.07
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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.