Finding the Fourth Proportional to 3,678,765.25, 5,516,537.70 and 1,856,008.74
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Solution
The fourth proportional to 3,678,765.25, 5,516,537.70 and 1,856,008.74 is: 2,783,200.75
Step by Step Solution
- Step 1: Write the proportion equation
3,678,765.25 : 5,516,537.70 = 1,856,008.74 : x - Step 2: Convert to fraction form
3,678,765.25/5,516,537.70 = 1,856,008.74/x - Step 3: Cross multiply
3,678,765.25x = 5,516,537.70 × 1,856,008.74 - Step 4: Simplify right side
3,678,765.25x = 10,238,742,185,739.50 - Step 5: Solve for x
x = 10,238,742,185,739.50/3,678,765.25 - Step 6: Final answer
x = 2,783,200.75
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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.