Finding the Fourth Proportional to 3,211,519.84, 4,817,288.12 and 1,083,099.04
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Solution
The fourth proportional to 3,211,519.84, 4,817,288.12 and 1,083,099.04 is: 1,624,651.38
Step by Step Solution
- Step 1: Write the proportion equation
3,211,519.84 : 4,817,288.12 = 1,083,099.04 : x - Step 2: Convert to fraction form
3,211,519.84/4,817,288.12 = 1,083,099.04/x - Step 3: Cross multiply
3,211,519.84x = 4,817,288.12 × 1,083,099.04 - Step 4: Simplify right side
3,211,519.84x = 5,217,600,128,839.93 - Step 5: Solve for x
x = 5,217,600,128,839.93/3,211,519.84 - Step 6: Final answer
x = 1,624,651.38
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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.