Finding the Fourth Proportional to 7,197,237.99, 9,932,004.13 and 3,934,061.19
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Solution
The fourth proportional to 7,197,237.99, 9,932,004.13 and 3,934,061.19 is: 5,428,903.70
Step by Step Solution
- Step 1: Write the proportion equation
7,197,237.99 : 9,932,004.13 = 3,934,061.19 : x - Step 2: Convert to fraction form
7,197,237.99/9,932,004.13 = 3,934,061.19/x - Step 3: Cross multiply
7,197,237.99x = 9,932,004.13 × 3,934,061.19 - Step 4: Simplify right side
7,197,237.99x = 39,073,111,986,752.72 - Step 5: Solve for x
x = 39,073,111,986,752.72/7,197,237.99 - Step 6: Final answer
x = 5,428,903.70
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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.