Finding the Fourth Proportional to 2,168,635.88, 2,992,734.24 and 1,201,781.81
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Solution
The fourth proportional to 2,168,635.88, 2,992,734.24 and 1,201,781.81 is: 1,658,468.17
Step by Step Solution
- Step 1: Write the proportion equation
2,168,635.88 : 2,992,734.24 = 1,201,781.81 : x - Step 2: Convert to fraction form
2,168,635.88/2,992,734.24 = 1,201,781.81/x - Step 3: Cross multiply
2,168,635.88x = 2,992,734.24 × 1,201,781.81 - Step 4: Simplify right side
2,168,635.88x = 3,596,613,574,771.33 - Step 5: Solve for x
x = 3,596,613,574,771.33/2,168,635.88 - Step 6: Final answer
x = 1,658,468.17
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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.