Finding the Fourth Proportional to 5,719,469.84, 8,579,199.92 and 1,459,637.76
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Solution
The fourth proportional to 5,719,469.84, 8,579,199.92 and 1,459,637.76 is: 2,189,455.40
Step by Step Solution
- Step 1: Write the proportion equation
5,719,469.84 : 8,579,199.92 = 1,459,637.76 : x - Step 2: Convert to fraction form
5,719,469.84/8,579,199.92 = 1,459,637.76/x - Step 3: Cross multiply
5,719,469.84x = 8,579,199.92 × 1,459,637.76 - Step 4: Simplify right side
5,719,469.84x = 12,522,524,153,820.98 - Step 5: Solve for x
x = 12,522,524,153,820.98/5,719,469.84 - Step 6: Final answer
x = 2,189,455.40
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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.