Finding the Fourth Proportional to 2,186,685.60, 3,277,263.60 and 1,948,912.80
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Solution
The fourth proportional to 2,186,685.60, 3,277,263.60 and 1,948,912.80 is: 2,920,905.04
Step by Step Solution
- Step 1: Write the proportion equation
2,186,685.60 : 3,277,263.60 = 1,948,912.80 : x - Step 2: Convert to fraction form
2,186,685.60/3,277,263.60 = 1,948,912.80/x - Step 3: Cross multiply
2,186,685.60x = 3,277,263.60 × 1,948,912.80 - Step 4: Simplify right side
2,186,685.60x = 6,387,100,979,014.08 - Step 5: Solve for x
x = 6,387,100,979,014.08/2,186,685.60 - Step 6: Final answer
x = 2,920,905.04
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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.