Finding the Fourth Proportional to 1,636,105.72, 2,454,270.68 and 556,178.84
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Solution
The fourth proportional to 1,636,105.72, 2,454,270.68 and 556,178.84 is: 834,306.37
Step by Step Solution
- Step 1: Write the proportion equation
1,636,105.72 : 2,454,270.68 = 556,178.84 : x - Step 2: Convert to fraction form
1,636,105.72/2,454,270.68 = 556,178.84/x - Step 3: Cross multiply
1,636,105.72x = 2,454,270.68 × 556,178.84 - Step 4: Simplify right side
1,636,105.72x = 1,365,013,419,848.41 - Step 5: Solve for x
x = 1,365,013,419,848.41/1,636,105.72 - Step 6: Final answer
x = 834,306.37
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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.