Finding the Fourth Proportional to 2,936,899.74, 4,405,585.11 and 1,116,136.96
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Solution
The fourth proportional to 2,936,899.74, 4,405,585.11 and 1,116,136.96 is: 1,674,294.93
Step by Step Solution
- Step 1: Write the proportion equation
2,936,899.74 : 4,405,585.11 = 1,116,136.96 : x - Step 2: Convert to fraction form
2,936,899.74/4,405,585.11 = 1,116,136.96/x - Step 3: Cross multiply
2,936,899.74x = 4,405,585.11 × 1,116,136.96 - Step 4: Simplify right side
2,936,899.74x = 4,917,236,356,497.19 - Step 5: Solve for x
x = 4,917,236,356,497.19/2,936,899.74 - Step 6: Final answer
x = 1,674,294.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.