Finding the Fourth Proportional to 2,874,701.60, 4,310,497.20 and 1,191,975.20
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Solution
The fourth proportional to 2,874,701.60, 4,310,497.20 and 1,191,975.20 is: 1,787,317.95
Step by Step Solution
- Step 1: Write the proportion equation
2,874,701.60 : 4,310,497.20 = 1,191,975.20 : x - Step 2: Convert to fraction form
2,874,701.60/4,310,497.20 = 1,191,975.20/x - Step 3: Cross multiply
2,874,701.60x = 4,310,497.20 × 1,191,975.20 - Step 4: Simplify right side
2,874,701.60x = 5,138,005,762,069.44 - Step 5: Solve for x
x = 5,138,005,762,069.44/2,874,701.60 - Step 6: Final answer
x = 1,787,317.95
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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.