Finding the Fourth Proportional to 4,908,640.79, 7,360,497.36 and 2,859,964.49
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Solution
The fourth proportional to 4,908,640.79, 7,360,497.36 and 2,859,964.49 is: 4,288,511.21
Step by Step Solution
- Step 1: Write the proportion equation
4,908,640.79 : 7,360,497.36 = 2,859,964.49 : x - Step 2: Convert to fraction form
4,908,640.79/7,360,497.36 = 2,859,964.49/x - Step 3: Cross multiply
4,908,640.79x = 7,360,497.36 × 2,859,964.49 - Step 4: Simplify right side
4,908,640.79x = 21,050,761,041,536.26 - Step 5: Solve for x
x = 21,050,761,041,536.26/4,908,640.79 - Step 6: Final answer
x = 4,288,511.21
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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.