Finding the Fourth Proportional to 1,449,999.63, 2,000,998.49 and 805,479.80
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Solution
The fourth proportional to 1,449,999.63, 2,000,998.49 and 805,479.80 is: 1,111,561.56
Step by Step Solution
- Step 1: Write the proportion equation
1,449,999.63 : 2,000,998.49 = 805,479.80 : x - Step 2: Convert to fraction form
1,449,999.63/2,000,998.49 = 805,479.80/x - Step 3: Cross multiply
1,449,999.63x = 2,000,998.49 × 805,479.80 - Step 4: Simplify right side
1,449,999.63x = 1,611,763,849,493.11 - Step 5: Solve for x
x = 1,611,763,849,493.11/1,449,999.63 - Step 6: Final answer
x = 1,111,561.56
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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.