Finding the Fourth Proportional to 1,720,853.63, 2,374,779.99 and 956,890.79
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Solution
The fourth proportional to 1,720,853.63, 2,374,779.99 and 956,890.79 is: 1,320,510.39
Step by Step Solution
- Step 1: Write the proportion equation
1,720,853.63 : 2,374,779.99 = 956,890.79 : x - Step 2: Convert to fraction form
1,720,853.63/2,374,779.99 = 956,890.79/x - Step 3: Cross multiply
1,720,853.63x = 2,374,779.99 × 956,890.79 - Step 4: Simplify right side
1,720,853.63x = 2,272,405,088,833.39 - Step 5: Solve for x
x = 2,272,405,088,833.39/1,720,853.63 - Step 6: Final answer
x = 1,320,510.39
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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.