Finding the Fourth Proportional to 3,868,936.74, 5,338,708.74 and 2,237,097.15
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Solution
The fourth proportional to 3,868,936.74, 5,338,708.74 and 2,237,097.15 is: 3,086,948.92
Step by Step Solution
- Step 1: Write the proportion equation
3,868,936.74 : 5,338,708.74 = 2,237,097.15 : x - Step 2: Convert to fraction form
3,868,936.74/5,338,708.74 = 2,237,097.15/x - Step 3: Cross multiply
3,868,936.74x = 5,338,708.74 × 2,237,097.15 - Step 4: Simplify right side
3,868,936.74x = 11,943,210,106,934.09 - Step 5: Solve for x
x = 11,943,210,106,934.09/3,868,936.74 - Step 6: Final answer
x = 3,086,948.92
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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.