Finding the Fourth Proportional to 1,449,884.98, 2,000,785.62 and 805,346.38
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Solution
The fourth proportional to 1,449,884.98, 2,000,785.62 and 805,346.38 is: 1,111,347.09
Step by Step Solution
- Step 1: Write the proportion equation
1,449,884.98 : 2,000,785.62 = 805,346.38 : x - Step 2: Convert to fraction form
1,449,884.98/2,000,785.62 = 805,346.38/x - Step 3: Cross multiply
1,449,884.98x = 2,000,785.62 × 805,346.38 - Step 4: Simplify right side
1,449,884.98x = 1,611,325,456,223.06 - Step 5: Solve for x
x = 1,611,325,456,223.06/1,449,884.98 - Step 6: Final answer
x = 1,111,347.09
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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.