Finding the Fourth Proportional to 3,087,917.12, 4,638,995.04 and 2,960,372.80
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Solution
The fourth proportional to 3,087,917.12, 4,638,995.04 and 2,960,372.80 is: 4,447,384.50
Step by Step Solution
- Step 1: Write the proportion equation
3,087,917.12 : 4,638,995.04 = 2,960,372.80 : x - Step 2: Convert to fraction form
3,087,917.12/4,638,995.04 = 2,960,372.80/x - Step 3: Cross multiply
3,087,917.12x = 4,638,995.04 × 2,960,372.80 - Step 4: Simplify right side
3,087,917.12x = 13,733,154,735,750.91 - Step 5: Solve for x
x = 13,733,154,735,750.91/3,087,917.12 - Step 6: Final answer
x = 4,447,384.50
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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.