Finding the Fourth Proportional to 5,161,680.83, 7,742,533.55 and 1,567,474.81
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Solution
The fourth proportional to 5,161,680.83, 7,742,533.55 and 1,567,474.81 is: 2,351,215.95
Step by Step Solution
- Step 1: Write the proportion equation
5,161,680.83 : 7,742,533.55 = 1,567,474.81 : x - Step 2: Convert to fraction form
5,161,680.83/7,742,533.55 = 1,567,474.81/x - Step 3: Cross multiply
5,161,680.83x = 7,742,533.55 × 1,567,474.81 - Step 4: Simplify right side
5,161,680.83x = 12,136,226,278,011.17 - Step 5: Solve for x
x = 12,136,226,278,011.17/5,161,680.83 - Step 6: Final answer
x = 2,351,215.95
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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.