Finding the Fourth Proportional to 4,551,128.57, 6,280,305.35 and 2,485,732.91
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Solution
The fourth proportional to 4,551,128.57, 6,280,305.35 and 2,485,732.91 is: 3,430,173.73
Step by Step Solution
- Step 1: Write the proportion equation
4,551,128.57 : 6,280,305.35 = 2,485,732.91 : x - Step 2: Convert to fraction form
4,551,128.57/6,280,305.35 = 2,485,732.91/x - Step 3: Cross multiply
4,551,128.57x = 6,280,305.35 × 2,485,732.91 - Step 4: Simplify right side
4,551,128.57x = 15,611,161,668,156.87 - Step 5: Solve for x
x = 15,611,161,668,156.87/4,551,128.57 - Step 6: Final answer
x = 3,430,173.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.