Finding the Fourth Proportional to 1,661,284.74, 2,292,573.84 and 897,338.31
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Solution
The fourth proportional to 1,661,284.74, 2,292,573.84 and 897,338.31 is: 1,238,327.35
Step by Step Solution
- Step 1: Write the proportion equation
1,661,284.74 : 2,292,573.84 = 897,338.31 : x - Step 2: Convert to fraction form
1,661,284.74/2,292,573.84 = 897,338.31/x - Step 3: Cross multiply
1,661,284.74x = 2,292,573.84 × 897,338.31 - Step 4: Simplify right side
1,661,284.74x = 2,057,214,335,135.81 - Step 5: Solve for x
x = 2,057,214,335,135.81/1,661,284.74 - Step 6: Final answer
x = 1,238,327.35
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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.