Finding the Fourth Proportional to 1,772,163.18, 2,444,857.07 and 1,314,404.03
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Solution
The fourth proportional to 1,772,163.18, 2,444,857.07 and 1,314,404.03 is: 1,813,337.51
Step by Step Solution
- Step 1: Write the proportion equation
1,772,163.18 : 2,444,857.07 = 1,314,404.03 : x - Step 2: Convert to fraction form
1,772,163.18/2,444,857.07 = 1,314,404.03/x - Step 3: Cross multiply
1,772,163.18x = 2,444,857.07 × 1,314,404.03 - Step 4: Simplify right side
1,772,163.18x = 3,213,529,966,785.69 - Step 5: Solve for x
x = 3,213,529,966,785.69/1,772,163.18 - Step 6: Final answer
x = 1,813,337.51
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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.