Finding the Fourth Proportional to 1,720,837.29, 2,374,657.92 and 956,874.45
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Solution
The fourth proportional to 1,720,837.29, 2,374,657.92 and 956,874.45 is: 1,320,432.50
Step by Step Solution
- Step 1: Write the proportion equation
1,720,837.29 : 2,374,657.92 = 956,874.45 : x - Step 2: Convert to fraction form
1,720,837.29/2,374,657.92 = 956,874.45/x - Step 3: Cross multiply
1,720,837.29x = 2,374,657.92 × 956,874.45 - Step 4: Simplify right side
1,720,837.29x = 2,272,249,491,138.14 - Step 5: Solve for x
x = 2,272,249,491,138.14/1,720,837.29 - Step 6: Final answer
x = 1,320,432.50
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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.