Finding the Fourth Proportional to 2,820,412.17, 3,895,819.80 and 2,332,353.09
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Solution
The fourth proportional to 2,820,412.17, 3,895,819.80 and 2,332,353.09 is: 3,221,666.48
Step by Step Solution
- Step 1: Write the proportion equation
2,820,412.17 : 3,895,819.80 = 2,332,353.09 : x - Step 2: Convert to fraction form
2,820,412.17/3,895,819.80 = 2,332,353.09/x - Step 3: Cross multiply
2,820,412.17x = 3,895,819.80 × 2,332,353.09 - Step 4: Simplify right side
2,820,412.17x = 9,086,427,348,613.18 - Step 5: Solve for x
x = 9,086,427,348,613.18/2,820,412.17 - Step 6: Final answer
x = 3,221,666.48
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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.