Finding the Fourth Proportional to 8,590,847.70, 12,885,979.95 and 2,201,162.70
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Solution
The fourth proportional to 8,590,847.70, 12,885,979.95 and 2,201,162.70 is: 3,301,669.34
Step by Step Solution
- Step 1: Write the proportion equation
8,590,847.70 : 12,885,979.95 = 2,201,162.70 : x - Step 2: Convert to fraction form
8,590,847.70/12,885,979.95 = 2,201,162.70/x - Step 3: Cross multiply
8,590,847.70x = 12,885,979.95 × 2,201,162.70 - Step 4: Simplify right side
8,590,847.70x = 28,364,138,418,887.87 - Step 5: Solve for x
x = 28,364,138,418,887.87/8,590,847.70 - Step 6: Final answer
x = 3,301,669.34
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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.