Finding the Fourth Proportional to 2,163,630.58, 2,985,609.80 and 1,196,740.06
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Solution
The fourth proportional to 2,163,630.58, 2,985,609.80 and 1,196,740.06 is: 1,651,390.44
Step by Step Solution
- Step 1: Write the proportion equation
2,163,630.58 : 2,985,609.80 = 1,196,740.06 : x - Step 2: Convert to fraction form
2,163,630.58/2,985,609.80 = 1,196,740.06/x - Step 3: Cross multiply
2,163,630.58x = 2,985,609.80 × 1,196,740.06 - Step 4: Simplify right side
2,163,630.58x = 3,572,998,846,716.41 - Step 5: Solve for x
x = 3,572,998,846,716.41/2,163,630.58 - Step 6: Final answer
x = 1,651,390.44
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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.