Finding the Fourth Proportional to 2,996,164.60, 4,494,246.90 and 1,311,479.80
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Solution
The fourth proportional to 2,996,164.60, 4,494,246.90 and 1,311,479.80 is: 1,967,219.70
Step by Step Solution
- Step 1: Write the proportion equation
2,996,164.60 : 4,494,246.90 = 1,311,479.80 : x - Step 2: Convert to fraction form
2,996,164.60/4,494,246.90 = 1,311,479.80/x - Step 3: Cross multiply
2,996,164.60x = 4,494,246.90 × 1,311,479.80 - Step 4: Simplify right side
2,996,164.60x = 5,894,114,025,562.62 - Step 5: Solve for x
x = 5,894,114,025,562.62/2,996,164.60 - Step 6: Final answer
x = 1,967,219.70
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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.