Finding the Fourth Proportional to 1,193,110.20, 1,646,509.41 and 649,261.62
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Solution
The fourth proportional to 1,193,110.20, 1,646,509.41 and 649,261.62 is: 895,990.47
Step by Step Solution
- Step 1: Write the proportion equation
1,193,110.20 : 1,646,509.41 = 649,261.62 : x - Step 2: Convert to fraction form
1,193,110.20/1,646,509.41 = 649,261.62/x - Step 3: Cross multiply
1,193,110.20x = 1,646,509.41 × 649,261.62 - Step 4: Simplify right side
1,193,110.20x = 1,069,015,366,881.84 - Step 5: Solve for x
x = 1,069,015,366,881.84/1,193,110.20 - Step 6: Final answer
x = 895,990.47
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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.