Finding the Fourth Proportional to 2,992,919.63, 4,130,331.14 and 1,634,880.11
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Solution
The fourth proportional to 2,992,919.63, 4,130,331.14 and 1,634,880.11 is: 2,256,190.30
Step by Step Solution
- Step 1: Write the proportion equation
2,992,919.63 : 4,130,331.14 = 1,634,880.11 : x - Step 2: Convert to fraction form
2,992,919.63/4,130,331.14 = 1,634,880.11/x - Step 3: Cross multiply
2,992,919.63x = 4,130,331.14 × 1,634,880.11 - Step 4: Simplify right side
2,992,919.63x = 6,752,596,211,935.17 - Step 5: Solve for x
x = 6,752,596,211,935.17/2,992,919.63 - Step 6: Final answer
x = 2,256,190.30
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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.