Finding the Fourth Proportional to 4,971,013.26, 6,859,890.73 and 2,877,943.97
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Solution
The fourth proportional to 4,971,013.26, 6,859,890.73 and 2,877,943.97 is: 3,971,500.40
Step by Step Solution
- Step 1: Write the proportion equation
4,971,013.26 : 6,859,890.73 = 2,877,943.97 : x - Step 2: Convert to fraction form
4,971,013.26/6,859,890.73 = 2,877,943.97/x - Step 3: Cross multiply
4,971,013.26x = 6,859,890.73 × 2,877,943.97 - Step 4: Simplify right side
4,971,013.26x = 19,742,381,161,262.40 - Step 5: Solve for x
x = 19,742,381,161,262.40/4,971,013.26 - Step 6: Final answer
x = 3,971,500.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.