Finding the Fourth Proportional to 1,720,849.54, 2,374,674.87 and 956,886.70
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Solution
The fourth proportional to 1,720,849.54, 2,374,674.87 and 956,886.70 is: 1,320,449.43
Step by Step Solution
- Step 1: Write the proportion equation
1,720,849.54 : 2,374,674.87 = 956,886.70 : x - Step 2: Convert to fraction form
1,720,849.54/2,374,674.87 = 956,886.70/x - Step 3: Cross multiply
1,720,849.54x = 2,374,674.87 × 956,886.70 - Step 4: Simplify right side
1,720,849.54x = 2,272,294,799,927.23 - Step 5: Solve for x
x = 2,272,294,799,927.23/1,720,849.54 - Step 6: Final answer
x = 1,320,449.43
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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.