Finding the Fourth Proportional to 2,287,484.21, 3,430,783.45 and 771,007.48
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Solution
The fourth proportional to 2,287,484.21, 3,430,783.45 and 771,007.48 is: 1,156,361.95
Step by Step Solution
- Step 1: Write the proportion equation
2,287,484.21 : 3,430,783.45 = 771,007.48 : x - Step 2: Convert to fraction form
2,287,484.21/3,430,783.45 = 771,007.48/x - Step 3: Cross multiply
2,287,484.21x = 3,430,783.45 × 771,007.48 - Step 4: Simplify right side
2,287,484.21x = 2,645,159,694,597.01 - Step 5: Solve for x
x = 2,645,159,694,597.01/2,287,484.21 - Step 6: Final answer
x = 1,156,361.95
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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.