Finding the Fourth Proportional to 1,679,741.73, 2,518,431.26 and 780,228.45
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Solution
The fourth proportional to 1,679,741.73, 2,518,431.26 and 780,228.45 is: 1,169,793.95
Step by Step Solution
- Step 1: Write the proportion equation
1,679,741.73 : 2,518,431.26 = 780,228.45 : x - Step 2: Convert to fraction form
1,679,741.73/2,518,431.26 = 780,228.45/x - Step 3: Cross multiply
1,679,741.73x = 2,518,431.26 × 780,228.45 - Step 4: Simplify right side
1,679,741.73x = 1,964,951,714,520.20 - Step 5: Solve for x
x = 1,964,951,714,520.20/1,679,741.73 - Step 6: Final answer
x = 1,169,793.95
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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.