Finding the Fourth Proportional to 7,197,347.99, 9,932,065.93 and 3,934,135.01
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Solution
The fourth proportional to 7,197,347.99, 9,932,065.93 and 3,934,135.01 is: 5,428,956.38
Step by Step Solution
- Step 1: Write the proportion equation
7,197,347.99 : 9,932,065.93 = 3,934,135.01 : x - Step 2: Convert to fraction form
7,197,347.99/9,932,065.93 = 3,934,135.01/x - Step 3: Cross multiply
7,197,347.99x = 9,932,065.93 × 3,934,135.01 - Step 4: Simplify right side
7,197,347.99x = 39,074,088,326,589.05 - Step 5: Solve for x
x = 39,074,088,326,589.05/7,197,347.99 - Step 6: Final answer
x = 5,428,956.38
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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.