Finding the Fourth Proportional to 2,527,128.12, 3,489,764.94 and 1,623,284.76
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Solution
The fourth proportional to 2,527,128.12, 3,489,764.94 and 1,623,284.76 is: 2,241,628.43
Step by Step Solution
- Step 1: Write the proportion equation
2,527,128.12 : 3,489,764.94 = 1,623,284.76 : x - Step 2: Convert to fraction form
2,527,128.12/3,489,764.94 = 1,623,284.76/x - Step 3: Cross multiply
2,527,128.12x = 3,489,764.94 × 1,623,284.76 - Step 4: Simplify right side
2,527,128.12x = 5,664,882,243,084.32 - Step 5: Solve for x
x = 5,664,882,243,084.32/2,527,128.12 - Step 6: Final answer
x = 2,241,628.43
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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.