Finding the Fourth Proportional to 2,976,566.08, 4,107,632.56 and 1,618,439.36
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Solution
The fourth proportional to 2,976,566.08, 4,107,632.56 and 1,618,439.36 is: 2,233,430.75
Step by Step Solution
- Step 1: Write the proportion equation
2,976,566.08 : 4,107,632.56 = 1,618,439.36 : x - Step 2: Convert to fraction form
2,976,566.08/4,107,632.56 = 1,618,439.36/x - Step 3: Cross multiply
2,976,566.08x = 4,107,632.56 × 1,618,439.36 - Step 4: Simplify right side
2,976,566.08x = 6,647,954,211,521.56 - Step 5: Solve for x
x = 6,647,954,211,521.56/2,976,566.08 - Step 6: Final answer
x = 2,233,430.75
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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.