Finding the Fourth Proportional to 2,479,307.68, 3,720,954.12 and 1,281,580.96
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Solution
The fourth proportional to 2,479,307.68, 3,720,954.12 and 1,281,580.96 is: 1,923,401.44
Step by Step Solution
- Step 1: Write the proportion equation
2,479,307.68 : 3,720,954.12 = 1,281,580.96 : x - Step 2: Convert to fraction form
2,479,307.68/3,720,954.12 = 1,281,580.96/x - Step 3: Cross multiply
2,479,307.68x = 3,720,954.12 × 1,281,580.96 - Step 4: Simplify right side
2,479,307.68x = 4,768,703,953,225.56 - Step 5: Solve for x
x = 4,768,703,953,225.56/2,479,307.68 - Step 6: Final answer
x = 1,923,401.44
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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.