Finding the Fourth Proportional to 2,840,052.21, 3,919,555.65 and 1,694,132.55
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Solution
The fourth proportional to 2,840,052.21, 3,919,555.65 and 1,694,132.55 is: 2,338,072.09
Step by Step Solution
- Step 1: Write the proportion equation
2,840,052.21 : 3,919,555.65 = 1,694,132.55 : x - Step 2: Convert to fraction form
2,840,052.21/3,919,555.65 = 1,694,132.55/x - Step 3: Cross multiply
2,840,052.21x = 3,919,555.65 × 1,694,132.55 - Step 4: Simplify right side
2,840,052.21x = 6,640,246,808,201.41 - Step 5: Solve for x
x = 6,640,246,808,201.41/2,840,052.21 - Step 6: Final answer
x = 2,338,072.09
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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.