Finding the Fourth Proportional to 5,440,067.39, 7,507,055.84 and 2,992,523.19
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Solution
The fourth proportional to 5,440,067.39, 7,507,055.84 and 2,992,523.19 is: 4,129,551.55
Step by Step Solution
- Step 1: Write the proportion equation
5,440,067.39 : 7,507,055.84 = 2,992,523.19 : x - Step 2: Convert to fraction form
5,440,067.39/7,507,055.84 = 2,992,523.19/x - Step 3: Cross multiply
5,440,067.39x = 7,507,055.84 × 2,992,523.19 - Step 4: Simplify right side
5,440,067.39x = 22,465,038,674,862.31 - Step 5: Solve for x
x = 22,465,038,674,862.31/5,440,067.39 - Step 6: Final answer
x = 4,129,551.55
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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.