Finding the Fourth Proportional to 2,163,175.66, 2,985,202.11 and 1,196,372.62
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Solution
The fourth proportional to 2,163,175.66, 2,985,202.11 and 1,196,372.62 is: 1,651,005.11
Step by Step Solution
- Step 1: Write the proportion equation
2,163,175.66 : 2,985,202.11 = 1,196,372.62 : x - Step 2: Convert to fraction form
2,163,175.66/2,985,202.11 = 1,196,372.62/x - Step 3: Cross multiply
2,163,175.66x = 2,985,202.11 × 1,196,372.62 - Step 4: Simplify right side
2,163,175.66x = 3,571,414,069,570.23 - Step 5: Solve for x
x = 3,571,414,069,570.23/2,163,175.66 - Step 6: Final answer
x = 1,651,005.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.