Finding the Fourth Proportional to 4,317,475.66, 6,475,769.68 and 1,438,531.54
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Solution
The fourth proportional to 4,317,475.66, 6,475,769.68 and 1,438,531.54 is: 2,157,649.44
Step by Step Solution
- Step 1: Write the proportion equation
4,317,475.66 : 6,475,769.68 = 1,438,531.54 : x - Step 2: Convert to fraction form
4,317,475.66/6,475,769.68 = 1,438,531.54/x - Step 3: Cross multiply
4,317,475.66x = 6,475,769.68 × 1,438,531.54 - Step 4: Simplify right side
4,317,475.66x = 9,315,598,930,455.71 - Step 5: Solve for x
x = 9,315,598,930,455.71/4,317,475.66 - Step 6: Final answer
x = 2,157,649.44
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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.