Finding the Fourth Proportional to 2,553,748.15, 3,524,199.70 and 1,407,869.50
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Solution
The fourth proportional to 2,553,748.15, 3,524,199.70 and 1,407,869.50 is: 1,942,874.93
Step by Step Solution
- Step 1: Write the proportion equation
2,553,748.15 : 3,524,199.70 = 1,407,869.50 : x - Step 2: Convert to fraction form
2,553,748.15/3,524,199.70 = 1,407,869.50/x - Step 3: Cross multiply
2,553,748.15x = 3,524,199.70 × 1,407,869.50 - Step 4: Simplify right side
2,553,748.15x = 4,961,613,251,918.15 - Step 5: Solve for x
x = 4,961,613,251,918.15/2,553,748.15 - Step 6: Final answer
x = 1,942,874.93
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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.