Finding the Fourth Proportional to 1,661,328.18, 2,292,632.54 and 897,381.75
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Solution
The fourth proportional to 1,661,328.18, 2,292,632.54 and 897,381.75 is: 1,238,386.62
Step by Step Solution
- Step 1: Write the proportion equation
1,661,328.18 : 2,292,632.54 = 897,381.75 : x - Step 2: Convert to fraction form
1,661,328.18/2,292,632.54 = 897,381.75/x - Step 3: Cross multiply
1,661,328.18x = 2,292,632.54 × 897,381.75 - Step 4: Simplify right side
1,661,328.18x = 2,057,366,596,365.24 - Step 5: Solve for x
x = 2,057,366,596,365.24/1,661,328.18 - Step 6: Final answer
x = 1,238,386.62
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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.