Finding the Fourth Proportional to 1,720,664.26, 2,374,502.28 and 956,711.14
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Solution
The fourth proportional to 1,720,664.26, 2,374,502.28 and 956,711.14 is: 1,320,253.37
Step by Step Solution
- Step 1: Write the proportion equation
1,720,664.26 : 2,374,502.28 = 956,711.14 : x - Step 2: Convert to fraction form
1,720,664.26/2,374,502.28 = 956,711.14/x - Step 3: Cross multiply
1,720,664.26x = 2,374,502.28 × 956,711.14 - Step 4: Simplify right side
1,720,664.26x = 2,271,712,783,231.40 - Step 5: Solve for x
x = 2,271,712,783,231.40/1,720,664.26 - Step 6: Final answer
x = 1,320,253.37
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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.