Finding the Fourth Proportional to 2,992,920.13, 4,130,331.84 and 1,634,880.61
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Solution
The fourth proportional to 2,992,920.13, 4,130,331.84 and 1,634,880.61 is: 2,256,190.99
Step by Step Solution
- Step 1: Write the proportion equation
2,992,920.13 : 4,130,331.84 = 1,634,880.61 : x - Step 2: Convert to fraction form
2,992,920.13/4,130,331.84 = 1,634,880.61/x - Step 3: Cross multiply
2,992,920.13x = 4,130,331.84 × 1,634,880.61 - Step 4: Simplify right side
2,992,920.13x = 6,752,599,409,255.56 - Step 5: Solve for x
x = 6,752,599,409,255.56/2,992,920.13 - Step 6: Final answer
x = 2,256,190.99
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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.