Finding the Fourth Proportional to 1,628,689.88, 2,247,594.63 and 903,537.59
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Solution
The fourth proportional to 1,628,689.88, 2,247,594.63 and 903,537.59 is: 1,246,883.31
Step by Step Solution
- Step 1: Write the proportion equation
1,628,689.88 : 2,247,594.63 = 903,537.59 : x - Step 2: Convert to fraction form
1,628,689.88/2,247,594.63 = 903,537.59/x - Step 3: Cross multiply
1,628,689.88x = 2,247,594.63 × 903,537.59 - Step 4: Simplify right side
1,628,689.88x = 2,030,786,235,287.14 - Step 5: Solve for x
x = 2,030,786,235,287.14/1,628,689.88 - Step 6: Final answer
x = 1,246,883.31
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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.