Finding the Fourth Proportional to 2,178,450.84, 3,006,373.24 and 1,211,600
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Solution
The fourth proportional to 2,178,450.84, 3,006,373.24 and 1,211,600 is: 1,672,069.78
Step by Step Solution
- Step 1: Write the proportion equation
2,178,450.84 : 3,006,373.24 = 1,211,600 : x - Step 2: Convert to fraction form
2,178,450.84/3,006,373.24 = 1,211,600/x - Step 3: Cross multiply
2,178,450.84x = 3,006,373.24 × 1,211,600 - Step 4: Simplify right side
2,178,450.84x = 3,642,521,817,584.00 - Step 5: Solve for x
x = 3,642,521,817,584.00/2,178,450.84 - Step 6: Final answer
x = 1,672,069.78
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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.