Finding the Fourth Proportional to 2,425,603.40, 3,638,415.90 and 628,359.20
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Solution
The fourth proportional to 2,425,603.40, 3,638,415.90 and 628,359.20 is: 942,541.60
Step by Step Solution
- Step 1: Write the proportion equation
2,425,603.40 : 3,638,415.90 = 628,359.20 : x - Step 2: Convert to fraction form
2,425,603.40/3,638,415.90 = 628,359.20/x - Step 3: Cross multiply
2,425,603.40x = 3,638,415.90 × 628,359.20 - Step 4: Simplify right side
2,425,603.40x = 2,286,232,104,191.28 - Step 5: Solve for x
x = 2,286,232,104,191.28/2,425,603.40 - Step 6: Final answer
x = 942,541.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.