Finding the Fourth Proportional to 1,571,625.09, 2,168,464.23 and 917,880.35
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Solution
The fourth proportional to 1,571,625.09, 2,168,464.23 and 917,880.35 is: 1,266,453.88
Step by Step Solution
- Step 1: Write the proportion equation
1,571,625.09 : 2,168,464.23 = 917,880.35 : x - Step 2: Convert to fraction form
1,571,625.09/2,168,464.23 = 917,880.35/x - Step 3: Cross multiply
1,571,625.09x = 2,168,464.23 × 917,880.35 - Step 4: Simplify right side
1,571,625.09x = 1,990,390,695,552.56 - Step 5: Solve for x
x = 1,990,390,695,552.56/1,571,625.09 - Step 6: Final answer
x = 1,266,453.88
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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.