Finding the Fourth Proportional to 1,234,982.84, 1,852,472.13 and 636,115.21
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Solution
The fourth proportional to 1,234,982.84, 1,852,472.13 and 636,115.21 is: 954,171.72
Step by Step Solution
- Step 1: Write the proportion equation
1,234,982.84 : 1,852,472.13 = 636,115.21 : x - Step 2: Convert to fraction form
1,234,982.84/1,852,472.13 = 636,115.21/x - Step 3: Cross multiply
1,234,982.84x = 1,852,472.13 × 636,115.21 - Step 4: Simplify right side
1,234,982.84x = 1,178,385,690,977.48 - Step 5: Solve for x
x = 1,178,385,690,977.48/1,234,982.84 - Step 6: Final answer
x = 954,171.72
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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.