Finding the Fourth Proportional to 3,633,554.69, 5,451,176.36 and 1,237,420.11
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Solution
The fourth proportional to 3,633,554.69, 5,451,176.36 and 1,237,420.11 is: 1,856,417.70
Step by Step Solution
- Step 1: Write the proportion equation
3,633,554.69 : 5,451,176.36 = 1,237,420.11 : x - Step 2: Convert to fraction form
3,633,554.69/5,451,176.36 = 1,237,420.11/x - Step 3: Cross multiply
3,633,554.69x = 5,451,176.36 × 1,237,420.11 - Step 4: Simplify right side
3,633,554.69x = 6,745,395,251,020.60 - Step 5: Solve for x
x = 6,745,395,251,020.60/3,633,554.69 - Step 6: Final answer
x = 1,856,417.70
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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.