Finding the Fourth Proportional to 1,664,571.88, 2,495,808.06 and 917,142.76
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Solution
The fourth proportional to 1,664,571.88, 2,495,808.06 and 917,142.76 is: 1,375,135.75
Step by Step Solution
- Step 1: Write the proportion equation
1,664,571.88 : 2,495,808.06 = 917,142.76 : x - Step 2: Convert to fraction form
1,664,571.88/2,495,808.06 = 917,142.76/x - Step 3: Cross multiply
1,664,571.88x = 2,495,808.06 × 917,142.76 - Step 4: Simplify right side
1,664,571.88x = 2,289,012,292,578.65 - Step 5: Solve for x
x = 2,289,012,292,578.65/1,664,571.88 - Step 6: Final answer
x = 1,375,135.75
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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.