Finding the Fourth Proportional to 5,341,372.07, 8,012,068.11 and 1,297,863.30
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Solution
The fourth proportional to 5,341,372.07, 8,012,068.11 and 1,297,863.30 is: 1,946,797.38
Step by Step Solution
- Step 1: Write the proportion equation
5,341,372.07 : 8,012,068.11 = 1,297,863.30 : x - Step 2: Convert to fraction form
5,341,372.07/8,012,068.11 = 1,297,863.30/x - Step 3: Cross multiply
5,341,372.07x = 8,012,068.11 × 1,297,863.30 - Step 4: Simplify right side
5,341,372.07x = 10,398,569,157,069.36 - Step 5: Solve for x
x = 10,398,569,157,069.36/5,341,372.07 - Step 6: Final answer
x = 1,946,797.38
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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.