Finding the Fourth Proportional to 7,128,685.46, 10,687,385.72 and 2,579,025.62
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Solution
The fourth proportional to 7,128,685.46, 10,687,385.72 and 2,579,025.62 is: 3,866,497.08
Step by Step Solution
- Step 1: Write the proportion equation
7,128,685.46 : 10,687,385.72 = 2,579,025.62 : x - Step 2: Convert to fraction form
7,128,685.46/10,687,385.72 = 2,579,025.62/x - Step 3: Cross multiply
7,128,685.46x = 10,687,385.72 × 2,579,025.62 - Step 4: Simplify right side
7,128,685.46x = 27,563,041,516,370.09 - Step 5: Solve for x
x = 27,563,041,516,370.09/7,128,685.46 - Step 6: Final answer
x = 3,866,497.08
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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.