Finding the Fourth Proportional to 1,508,217.36, 2,081,386.44 and 863,846.16
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Solution
The fourth proportional to 1,508,217.36, 2,081,386.44 and 863,846.16 is: 1,192,134.32
Step by Step Solution
- Step 1: Write the proportion equation
1,508,217.36 : 2,081,386.44 = 863,846.16 : x - Step 2: Convert to fraction form
1,508,217.36/2,081,386.44 = 863,846.16/x - Step 3: Cross multiply
1,508,217.36x = 2,081,386.44 × 863,846.16 - Step 4: Simplify right side
1,508,217.36x = 1,797,997,683,670.07 - Step 5: Solve for x
x = 1,797,997,683,670.07/1,508,217.36 - Step 6: Final answer
x = 1,192,134.32
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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.