Finding the Fourth Proportional to 3,218,101.40, 4,820,153.70 and 1,953,723.80
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Solution
The fourth proportional to 3,218,101.40, 4,820,153.70 and 1,953,723.80 is: 2,926,336.94
Step by Step Solution
- Step 1: Write the proportion equation
3,218,101.40 : 4,820,153.70 = 1,953,723.80 : x - Step 2: Convert to fraction form
3,218,101.40/4,820,153.70 = 1,953,723.80/x - Step 3: Cross multiply
3,218,101.40x = 4,820,153.70 × 1,953,723.80 - Step 4: Simplify right side
3,218,101.40x = 9,417,249,003,348.06 - Step 5: Solve for x
x = 9,417,249,003,348.06/3,218,101.40 - Step 6: Final answer
x = 2,926,336.94
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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.