Finding the Fourth Proportional to 2,976,478.80, 4,107,492.36 and 1,618,386
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Solution
The fourth proportional to 2,976,478.80, 4,107,492.36 and 1,618,386 is: 2,233,346.37
Step by Step Solution
- Step 1: Write the proportion equation
2,976,478.80 : 4,107,492.36 = 1,618,386 : x - Step 2: Convert to fraction form
2,976,478.80/4,107,492.36 = 1,618,386/x - Step 3: Cross multiply
2,976,478.80x = 4,107,492.36 × 1,618,386 - Step 4: Simplify right side
2,976,478.80x = 6,647,508,130,530.96 - Step 5: Solve for x
x = 6,647,508,130,530.96/2,976,478.80 - Step 6: Final answer
x = 2,233,346.37
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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.