Finding the Fourth Proportional to 5,758,437.32, 8,642,969.60 and 2,920,542.40
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Solution
The fourth proportional to 5,758,437.32, 8,642,969.60 and 2,920,542.40 is: 4,383,508.54
Step by Step Solution
- Step 1: Write the proportion equation
5,758,437.32 : 8,642,969.60 = 2,920,542.40 : x - Step 2: Convert to fraction form
5,758,437.32/8,642,969.60 = 2,920,542.40/x - Step 3: Cross multiply
5,758,437.32x = 8,642,969.60 × 2,920,542.40 - Step 4: Simplify right side
5,758,437.32x = 25,242,159,178,711.04 - Step 5: Solve for x
x = 25,242,159,178,711.04/5,758,437.32 - Step 6: Final answer
x = 4,383,508.54
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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.