Finding the Fourth Proportional to 1,479,018.51, 2,218,860.05 and 468,201.12
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Solution
The fourth proportional to 1,479,018.51, 2,218,860.05 and 468,201.12 is: 702,406.87
Step by Step Solution
- Step 1: Write the proportion equation
1,479,018.51 : 2,218,860.05 = 468,201.12 : x - Step 2: Convert to fraction form
1,479,018.51/2,218,860.05 = 468,201.12/x - Step 3: Cross multiply
1,479,018.51x = 2,218,860.05 × 468,201.12 - Step 4: Simplify right side
1,479,018.51x = 1,038,872,758,192.25 - Step 5: Solve for x
x = 1,038,872,758,192.25/1,479,018.51 - Step 6: Final answer
x = 702,406.87
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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.