Finding the Fourth Proportional to 3,668,000.79, 5,528,366.36 and 3,161,776.01
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Solution
The fourth proportional to 3,668,000.79, 5,528,366.36 and 3,161,776.01 is: 4,765,390.51
Step by Step Solution
- Step 1: Write the proportion equation
3,668,000.79 : 5,528,366.36 = 3,161,776.01 : x - Step 2: Convert to fraction form
3,668,000.79/5,528,366.36 = 3,161,776.01/x - Step 3: Cross multiply
3,668,000.79x = 5,528,366.36 × 3,161,776.01 - Step 4: Simplify right side
3,668,000.79x = 17,479,456,153,264.38 - Step 5: Solve for x
x = 17,479,456,153,264.38/3,668,000.79 - Step 6: Final answer
x = 4,765,390.51
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.