Finding the Fourth Proportional to 7,189,833.84, 9,922,028.76 and 3,970,569.84
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Solution
The fourth proportional to 7,189,833.84, 9,922,028.76 and 3,970,569.84 is: 5,479,418.44
Step by Step Solution
- Step 1: Write the proportion equation
7,189,833.84 : 9,922,028.76 = 3,970,569.84 : x - Step 2: Convert to fraction form
7,189,833.84/9,922,028.76 = 3,970,569.84/x - Step 3: Cross multiply
7,189,833.84x = 9,922,028.76 × 3,970,569.84 - Step 4: Simplify right side
7,189,833.84x = 39,396,108,146,068.59 - Step 5: Solve for x
x = 39,396,108,146,068.59/7,189,833.84 - Step 6: Final answer
x = 5,479,418.44
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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.