Finding the Fourth Proportional to 1,720,343.63, 2,374,076.97 and 956,397.20
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Solution
The fourth proportional to 1,720,343.63, 2,374,076.97 and 956,397.20 is: 1,319,829.67
Step by Step Solution
- Step 1: Write the proportion equation
1,720,343.63 : 2,374,076.97 = 956,397.20 : x - Step 2: Convert to fraction form
1,720,343.63/2,374,076.97 = 956,397.20/x - Step 3: Cross multiply
1,720,343.63x = 2,374,076.97 × 956,397.20 - Step 4: Simplify right side
1,720,343.63x = 2,270,560,554,822.10 - Step 5: Solve for x
x = 2,270,560,554,822.10/1,720,343.63 - Step 6: Final answer
x = 1,319,829.67
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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.