Finding the Fourth Proportional to 2,869,624.35, 3,960,361.31 and 2,143,210.94
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Solution
The fourth proportional to 2,869,624.35, 3,960,361.31 and 2,143,210.94 is: 2,957,839.99
Step by Step Solution
- Step 1: Write the proportion equation
2,869,624.35 : 3,960,361.31 = 2,143,210.94 : x - Step 2: Convert to fraction form
2,869,624.35/3,960,361.31 = 2,143,210.94/x - Step 3: Cross multiply
2,869,624.35x = 3,960,361.31 × 2,143,210.94 - Step 4: Simplify right side
2,869,624.35x = 8,487,889,671,500.95 - Step 5: Solve for x
x = 8,487,889,671,500.95/2,869,624.35 - Step 6: Final answer
x = 2,957,839.99
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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.