Finding the Fourth Proportional to 1,661,331.68, 2,292,637.34 and 897,385.26
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Solution
The fourth proportional to 1,661,331.68, 2,292,637.34 and 897,385.26 is: 1,238,391.45
Step by Step Solution
- Step 1: Write the proportion equation
1,661,331.68 : 2,292,637.34 = 897,385.26 : x - Step 2: Convert to fraction form
1,661,331.68/2,292,637.34 = 897,385.26/x - Step 3: Cross multiply
1,661,331.68x = 2,292,637.34 × 897,385.26 - Step 4: Simplify right side
1,661,331.68x = 2,057,378,955,441.61 - Step 5: Solve for x
x = 2,057,378,955,441.61/1,661,331.68 - Step 6: Final answer
x = 1,238,391.45
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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.