Finding the Fourth Proportional to 1,461,121.98, 2,016,173.70 and 807,659.74
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Solution
The fourth proportional to 1,461,121.98, 2,016,173.70 and 807,659.74 is: 1,114,473.91
Step by Step Solution
- Step 1: Write the proportion equation
1,461,121.98 : 2,016,173.70 = 807,659.74 : x - Step 2: Convert to fraction form
1,461,121.98/2,016,173.70 = 807,659.74/x - Step 3: Cross multiply
1,461,121.98x = 2,016,173.70 × 807,659.74 - Step 4: Simplify right side
1,461,121.98x = 1,628,382,328,857.06 - Step 5: Solve for x
x = 1,628,382,328,857.06/1,461,121.98 - Step 6: Final answer
x = 1,114,473.91
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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.