Finding the Fourth Proportional to 3,972,479.84, 5,958,775.12 and 1,132,592
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Solution
The fourth proportional to 3,972,479.84, 5,958,775.12 and 1,132,592 is: 1,698,903.78
Step by Step Solution
- Step 1: Write the proportion equation
3,972,479.84 : 5,958,775.12 = 1,132,592 : x - Step 2: Convert to fraction form
3,972,479.84/5,958,775.12 = 1,132,592/x - Step 3: Cross multiply
3,972,479.84x = 5,958,775.12 × 1,132,592 - Step 4: Simplify right side
3,972,479.84x = 6,748,861,030,711.04 - Step 5: Solve for x
x = 6,748,861,030,711.04/3,972,479.84 - Step 6: Final answer
x = 1,698,903.78
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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.