Finding the Fourth Proportional to 4,305,753.12, 6,459,540.90 and 1,272,879.84
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Solution
The fourth proportional to 4,305,753.12, 6,459,540.90 and 1,272,879.84 is: 1,909,589.14
Step by Step Solution
- Step 1: Write the proportion equation
4,305,753.12 : 6,459,540.90 = 1,272,879.84 : x - Step 2: Convert to fraction form
4,305,753.12/6,459,540.90 = 1,272,879.84/x - Step 3: Cross multiply
4,305,753.12x = 6,459,540.90 × 1,272,879.84 - Step 4: Simplify right side
4,305,753.12x = 8,222,219,387,265.46 - Step 5: Solve for x
x = 8,222,219,387,265.46/4,305,753.12 - Step 6: Final answer
x = 1,909,589.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.