Finding the Fourth Proportional to 2,888,812.39, 3,986,512.08 and 1,599,625.09
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Solution
The fourth proportional to 2,888,812.39, 3,986,512.08 and 1,599,625.09 is: 2,207,455.48
Step by Step Solution
- Step 1: Write the proportion equation
2,888,812.39 : 3,986,512.08 = 1,599,625.09 : x - Step 2: Convert to fraction form
2,888,812.39/3,986,512.08 = 1,599,625.09/x - Step 3: Cross multiply
2,888,812.39x = 3,986,512.08 × 1,599,625.09 - Step 4: Simplify right side
2,888,812.39x = 6,376,924,744,756.09 - Step 5: Solve for x
x = 6,376,924,744,756.09/2,888,812.39 - Step 6: Final answer
x = 2,207,455.48
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1.5x scale
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.