Finding the Fourth Proportional to 1,628,157.78, 2,246,995.69 and 903,239.03
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Solution
The fourth proportional to 1,628,157.78, 2,246,995.69 and 903,239.03 is: 1,246,546.39
Step by Step Solution
- Step 1: Write the proportion equation
1,628,157.78 : 2,246,995.69 = 903,239.03 : x - Step 2: Convert to fraction form
1,628,157.78/2,246,995.69 = 903,239.03/x - Step 3: Cross multiply
1,628,157.78x = 2,246,995.69 × 903,239.03 - Step 4: Simplify right side
1,628,157.78x = 2,029,574,210,809.17 - Step 5: Solve for x
x = 2,029,574,210,809.17/1,628,157.78 - Step 6: Final answer
x = 1,246,546.39
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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.