Finding the Fourth Proportional to 1,628,058.20, 2,246,858.34 and 903,139.46
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Solution
The fourth proportional to 1,628,058.20, 2,246,858.34 and 903,139.46 is: 1,246,409.02
Step by Step Solution
- Step 1: Write the proportion equation
1,628,058.20 : 2,246,858.34 = 903,139.46 : x - Step 2: Convert to fraction form
1,628,058.20/2,246,858.34 = 903,139.46/x - Step 3: Cross multiply
1,628,058.20x = 2,246,858.34 × 903,139.46 - Step 4: Simplify right side
1,628,058.20x = 2,029,226,427,884.10 - Step 5: Solve for x
x = 2,029,226,427,884.10/1,628,058.20 - Step 6: Final answer
x = 1,246,409.02
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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.