Finding the Fourth Proportional to 2,123,168.16, 2,930,054.97 and 1,205,482.68
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Solution
The fourth proportional to 2,123,168.16, 2,930,054.97 and 1,205,482.68 is: 1,663,613.17
Step by Step Solution
- Step 1: Write the proportion equation
2,123,168.16 : 2,930,054.97 = 1,205,482.68 : x - Step 2: Convert to fraction form
2,123,168.16/2,930,054.97 = 1,205,482.68/x - Step 3: Cross multiply
2,123,168.16x = 2,930,054.97 × 1,205,482.68 - Step 4: Simplify right side
2,123,168.16x = 3,532,130,517,782.92 - Step 5: Solve for x
x = 3,532,130,517,782.92/2,123,168.16 - Step 6: Final answer
x = 1,663,613.17
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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.