Finding the Fourth Proportional to 2,021,492.80, 2,789,904.71 and 1,150,539.26
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Solution
The fourth proportional to 2,021,492.80, 2,789,904.71 and 1,150,539.26 is: 1,587,883.42
Step by Step Solution
- Step 1: Write the proportion equation
2,021,492.80 : 2,789,904.71 = 1,150,539.26 : x - Step 2: Convert to fraction form
2,021,492.80/2,789,904.71 = 1,150,539.26/x - Step 3: Cross multiply
2,021,492.80x = 2,789,904.71 × 1,150,539.26 - Step 4: Simplify right side
2,021,492.80x = 3,209,894,894,761.22 - Step 5: Solve for x
x = 3,209,894,894,761.22/2,021,492.80 - Step 6: Final answer
x = 1,587,883.42
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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.