Finding the Fourth Proportional to 2,649,076.80, 3,967,710.30 and 2,176,684.80
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Solution
The fourth proportional to 2,649,076.80, 3,967,710.30 and 2,176,684.80 is: 3,260,175.28
Step by Step Solution
- Step 1: Write the proportion equation
2,649,076.80 : 3,967,710.30 = 2,176,684.80 : x - Step 2: Convert to fraction form
2,649,076.80/3,967,710.30 = 2,176,684.80/x - Step 3: Cross multiply
2,649,076.80x = 3,967,710.30 × 2,176,684.80 - Step 4: Simplify right side
2,649,076.80x = 8,636,454,700,813.44 - Step 5: Solve for x
x = 8,636,454,700,813.44/2,649,076.80 - Step 6: Final answer
x = 3,260,175.28
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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.