Finding the Fourth Proportional to 1,621,208.16, 2,431,442.07 and 610,436.70
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Solution
The fourth proportional to 1,621,208.16, 2,431,442.07 and 610,436.70 is: 915,515.67
Step by Step Solution
- Step 1: Write the proportion equation
1,621,208.16 : 2,431,442.07 = 610,436.70 : x - Step 2: Convert to fraction form
1,621,208.16/2,431,442.07 = 610,436.70/x - Step 3: Cross multiply
1,621,208.16x = 2,431,442.07 × 610,436.70 - Step 4: Simplify right side
1,621,208.16x = 1,484,241,473,451.97 - Step 5: Solve for x
x = 1,484,241,473,451.97/1,621,208.16 - Step 6: Final answer
x = 915,515.67
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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.