Finding the Fourth Proportional to 5,490,828.20, 8,232,402.30 and 3,245,810.60
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Solution
The fourth proportional to 5,490,828.20, 8,232,402.30 and 3,245,810.60 is: 4,866,445.95
Step by Step Solution
- Step 1: Write the proportion equation
5,490,828.20 : 8,232,402.30 = 3,245,810.60 : x - Step 2: Convert to fraction form
5,490,828.20/8,232,402.30 = 3,245,810.60/x - Step 3: Cross multiply
5,490,828.20x = 8,232,402.30 × 3,245,810.60 - Step 4: Simplify right side
5,490,828.20x = 26,720,818,648,804.38 - Step 5: Solve for x
x = 26,720,818,648,804.38/5,490,828.20 - Step 6: Final answer
x = 4,866,445.95
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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.