Finding the Fourth Proportional to 2,189,710.70, 3,284,566.06 and 1,124,160.56
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Solution
The fourth proportional to 2,189,710.70, 3,284,566.06 and 1,124,160.56 is: 1,686,240.85
Step by Step Solution
- Step 1: Write the proportion equation
2,189,710.70 : 3,284,566.06 = 1,124,160.56 : x - Step 2: Convert to fraction form
2,189,710.70/3,284,566.06 = 1,124,160.56/x - Step 3: Cross multiply
2,189,710.70x = 3,284,566.06 × 1,124,160.56 - Step 4: Simplify right side
2,189,710.70x = 3,692,379,621,366.59 - Step 5: Solve for x
x = 3,692,379,621,366.59/2,189,710.70 - Step 6: Final answer
x = 1,686,240.85
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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.