Finding the Fourth Proportional to 3,422,332.24, 5,138,544.80 and 1,908,972
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Solution
The fourth proportional to 3,422,332.24, 5,138,544.80 and 1,908,972 is: 2,866,272.90
Step by Step Solution
- Step 1: Write the proportion equation
3,422,332.24 : 5,138,544.80 = 1,908,972 : x - Step 2: Convert to fraction form
3,422,332.24/5,138,544.80 = 1,908,972/x - Step 3: Cross multiply
3,422,332.24x = 5,138,544.80 × 1,908,972 - Step 4: Simplify right side
3,422,332.24x = 9,809,338,143,945.60 - Step 5: Solve for x
x = 9,809,338,143,945.60/3,422,332.24 - Step 6: Final answer
x = 2,866,272.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.