Finding the Fourth Proportional to 1,968,239.13, 2,716,179.71 and 1,108,812.93
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Solution
The fourth proportional to 1,968,239.13, 2,716,179.71 and 1,108,812.93 is: 1,530,167.31
Step by Step Solution
- Step 1: Write the proportion equation
1,968,239.13 : 2,716,179.71 = 1,108,812.93 : x - Step 2: Convert to fraction form
1,968,239.13/2,716,179.71 = 1,108,812.93/x - Step 3: Cross multiply
1,968,239.13x = 2,716,179.71 × 1,108,812.93 - Step 4: Simplify right side
1,968,239.13x = 3,011,735,177,107.59 - Step 5: Solve for x
x = 3,011,735,177,107.59/1,968,239.13 - Step 6: Final answer
x = 1,530,167.31
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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.