Finding the Fourth Proportional to 1,686,534.63, 2,325,840.48 and 1,343,510.97
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Solution
The fourth proportional to 1,686,534.63, 2,325,840.48 and 1,343,510.97 is: 1,852,788.64
Step by Step Solution
- Step 1: Write the proportion equation
1,686,534.63 : 2,325,840.48 = 1,343,510.97 : x - Step 2: Convert to fraction form
1,686,534.63/2,325,840.48 = 1,343,510.97/x - Step 3: Cross multiply
1,686,534.63x = 2,325,840.48 × 1,343,510.97 - Step 4: Simplify right side
1,686,534.63x = 3,124,792,199,350.07 - Step 5: Solve for x
x = 3,124,792,199,350.07/1,686,534.63 - Step 6: Final answer
x = 1,852,788.64
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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.