Finding the Fourth Proportional to 2,605,936.20, 3,908,904.30 and 2,511,457.80
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Solution
The fourth proportional to 2,605,936.20, 3,908,904.30 and 2,511,457.80 is: 3,767,186.70
Step by Step Solution
- Step 1: Write the proportion equation
2,605,936.20 : 3,908,904.30 = 2,511,457.80 : x - Step 2: Convert to fraction form
2,605,936.20/3,908,904.30 = 2,511,457.80/x - Step 3: Cross multiply
2,605,936.20x = 3,908,904.30 × 2,511,457.80 - Step 4: Simplify right side
2,605,936.20x = 9,817,048,193,688.54 - Step 5: Solve for x
x = 9,817,048,193,688.54/2,605,936.20 - Step 6: Final answer
x = 3,767,186.70
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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.