Finding the Fourth Proportional to 1,511,267.60, 2,267,419.80 and 670,422.80
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Solution
The fourth proportional to 1,511,267.60, 2,267,419.80 and 670,422.80 is: 1,005,864.17
Step by Step Solution
- Step 1: Write the proportion equation
1,511,267.60 : 2,267,419.80 = 670,422.80 : x - Step 2: Convert to fraction form
1,511,267.60/2,267,419.80 = 670,422.80/x - Step 3: Cross multiply
1,511,267.60x = 2,267,419.80 × 670,422.80 - Step 4: Simplify right side
1,511,267.60x = 1,520,129,931,091.44 - Step 5: Solve for x
x = 1,520,129,931,091.44/1,511,267.60 - Step 6: Final answer
x = 1,005,864.17
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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.