Finding the Fourth Proportional to 2,185,408.88, 3,276,243.95 and 838,538.10
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Solution
The fourth proportional to 2,185,408.88, 3,276,243.95 and 838,538.10 is: 1,257,089.88
Step by Step Solution
- Step 1: Write the proportion equation
2,185,408.88 : 3,276,243.95 = 838,538.10 : x - Step 2: Convert to fraction form
2,185,408.88/3,276,243.95 = 838,538.10/x - Step 3: Cross multiply
2,185,408.88x = 3,276,243.95 × 838,538.10 - Step 4: Simplify right side
2,185,408.88x = 2,747,255,376,969.50 - Step 5: Solve for x
x = 2,747,255,376,969.50/2,185,408.88 - Step 6: Final answer
x = 1,257,089.88
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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.