Finding the Fourth Proportional to 3,476,176.14, 5,214,657.86 and 3,118,995.30
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Solution
The fourth proportional to 3,476,176.14, 5,214,657.86 and 3,118,995.30 is: 4,678,846.15
Step by Step Solution
- Step 1: Write the proportion equation
3,476,176.14 : 5,214,657.86 = 3,118,995.30 : x - Step 2: Convert to fraction form
3,476,176.14/5,214,657.86 = 3,118,995.30/x - Step 3: Cross multiply
3,476,176.14x = 5,214,657.86 × 3,118,995.30 - Step 4: Simplify right side
3,476,176.14x = 16,264,493,356,448.06 - Step 5: Solve for x
x = 16,264,493,356,448.06/3,476,176.14 - Step 6: Final answer
x = 4,678,846.15
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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.