Finding the Fourth Proportional to 4,564,079.81, 6,835,251.72 and 2,640,938.07
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Solution
The fourth proportional to 4,564,079.81, 6,835,251.72 and 2,640,938.07 is: 3,955,118.50
Step by Step Solution
- Step 1: Write the proportion equation
4,564,079.81 : 6,835,251.72 = 2,640,938.07 : x - Step 2: Convert to fraction form
4,564,079.81/6,835,251.72 = 2,640,938.07/x - Step 3: Cross multiply
4,564,079.81x = 6,835,251.72 × 2,640,938.07 - Step 4: Simplify right side
4,564,079.81x = 18,051,476,485,380.98 - Step 5: Solve for x
x = 18,051,476,485,380.98/4,564,079.81 - Step 6: Final answer
x = 3,955,118.50
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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.