Finding the Fourth Proportional to 2,560,745.84, 3,840,490.68 and 1,212,859.76
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Solution
The fourth proportional to 2,560,745.84, 3,840,490.68 and 1,212,859.76 is: 1,818,992.16
Step by Step Solution
- Step 1: Write the proportion equation
2,560,745.84 : 3,840,490.68 = 1,212,859.76 : x - Step 2: Convert to fraction form
2,560,745.84/3,840,490.68 = 1,212,859.76/x - Step 3: Cross multiply
2,560,745.84x = 3,840,490.68 × 1,212,859.76 - Step 4: Simplify right side
2,560,745.84x = 4,657,976,604,427.04 - Step 5: Solve for x
x = 4,657,976,604,427.04/2,560,745.84 - Step 6: Final answer
x = 1,818,992.16
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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.