Finding the Fourth Proportional to 1,628,151.78, 2,246,987.41 and 903,233.02
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Solution
The fourth proportional to 1,628,151.78, 2,246,987.41 and 903,233.02 is: 1,246,538.09
Step by Step Solution
- Step 1: Write the proportion equation
1,628,151.78 : 2,246,987.41 = 903,233.02 : x - Step 2: Convert to fraction form
1,628,151.78/2,246,987.41 = 903,233.02/x - Step 3: Cross multiply
1,628,151.78x = 2,246,987.41 × 903,233.02 - Step 4: Simplify right side
1,628,151.78x = 2,029,553,216,360.73 - Step 5: Solve for x
x = 2,029,553,216,360.73/1,628,151.78 - Step 6: Final answer
x = 1,246,538.09
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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.