Finding the Fourth Proportional to 1,661,337.62, 2,292,646.84 and 897,391.20
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Solution
The fourth proportional to 1,661,337.62, 2,292,646.84 and 897,391.20 is: 1,238,400.36
Step by Step Solution
- Step 1: Write the proportion equation
1,661,337.62 : 2,292,646.84 = 897,391.20 : x - Step 2: Convert to fraction form
1,661,337.62/2,292,646.84 = 897,391.20/x - Step 3: Cross multiply
1,661,337.62x = 2,292,646.84 × 897,391.20 - Step 4: Simplify right side
1,661,337.62x = 2,057,401,098,923.81 - Step 5: Solve for x
x = 2,057,401,098,923.81/1,661,337.62 - Step 6: Final answer
x = 1,238,400.36
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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.