Finding the Fourth Proportional to 1,628,055.70, 2,246,851.36 and 903,137.16
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Solution
The fourth proportional to 1,628,055.70, 2,246,851.36 and 903,137.16 is: 1,246,403.89
Step by Step Solution
- Step 1: Write the proportion equation
1,628,055.70 : 2,246,851.36 = 903,137.16 : x - Step 2: Convert to fraction form
1,628,055.70/2,246,851.36 = 903,137.16/x - Step 3: Cross multiply
1,628,055.70x = 2,246,851.36 × 903,137.16 - Step 4: Simplify right side
1,628,055.70x = 2,029,214,956,212.54 - Step 5: Solve for x
x = 2,029,214,956,212.54/1,628,055.70 - Step 6: Final answer
x = 1,246,403.89
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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.