Finding the Fourth Proportional to 2,664,106.20, 3,996,159.30 and 1,992,259.80
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Solution
The fourth proportional to 2,664,106.20, 3,996,159.30 and 1,992,259.80 is: 2,988,389.70
Step by Step Solution
- Step 1: Write the proportion equation
2,664,106.20 : 3,996,159.30 = 1,992,259.80 : x - Step 2: Convert to fraction form
2,664,106.20/3,996,159.30 = 1,992,259.80/x - Step 3: Cross multiply
2,664,106.20x = 3,996,159.30 × 1,992,259.80 - Step 4: Simplify right side
2,664,106.20x = 7,961,387,527,786.14 - Step 5: Solve for x
x = 7,961,387,527,786.14/2,664,106.20 - Step 6: Final answer
x = 2,988,389.70
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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.