Finding the Fourth Proportional to 3,479,896.84, 5,221,877.42 and 1,457,967.96
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Solution
The fourth proportional to 3,479,896.84, 5,221,877.42 and 1,457,967.96 is: 2,187,803.35
Step by Step Solution
- Step 1: Write the proportion equation
3,479,896.84 : 5,221,877.42 = 1,457,967.96 : x - Step 2: Convert to fraction form
3,479,896.84/5,221,877.42 = 1,457,967.96/x - Step 3: Cross multiply
3,479,896.84x = 5,221,877.42 × 1,457,967.96 - Step 4: Simplify right side
3,479,896.84x = 7,613,329,969,407.46 - Step 5: Solve for x
x = 7,613,329,969,407.46/3,479,896.84 - Step 6: Final answer
x = 2,187,803.35
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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.