Finding the Fourth Proportional to 4,172,784.60, 6,259,176.90 and 2,278,492.68
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Solution
The fourth proportional to 4,172,784.60, 6,259,176.90 and 2,278,492.68 is: 3,417,739.02
Step by Step Solution
- Step 1: Write the proportion equation
4,172,784.60 : 6,259,176.90 = 2,278,492.68 : x - Step 2: Convert to fraction form
4,172,784.60/6,259,176.90 = 2,278,492.68/x - Step 3: Cross multiply
4,172,784.60x = 6,259,176.90 × 2,278,492.68 - Step 4: Simplify right side
4,172,784.60x = 14,261,488,749,475.09 - Step 5: Solve for x
x = 14,261,488,749,475.09/4,172,784.60 - Step 6: Final answer
x = 3,417,739.02
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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.