Finding the Fourth Proportional to 2,877,814.34, 3,971,374.49 and 1,571,082.53
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Solution
The fourth proportional to 2,877,814.34, 3,971,374.49 and 1,571,082.53 is: 2,168,088.82
Step by Step Solution
- Step 1: Write the proportion equation
2,877,814.34 : 3,971,374.49 = 1,571,082.53 : x - Step 2: Convert to fraction form
2,877,814.34/3,971,374.49 = 1,571,082.53/x - Step 3: Cross multiply
2,877,814.34x = 3,971,374.49 × 1,571,082.53 - Step 4: Simplify right side
2,877,814.34x = 6,239,357,093,229.16 - Step 5: Solve for x
x = 6,239,357,093,229.16/2,877,814.34 - Step 6: Final answer
x = 2,168,088.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.