Finding the Fourth Proportional to 2,818,479.84, 3,889,245.36 and 1,672,362.72
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Solution
The fourth proportional to 2,818,479.84, 3,889,245.36 and 1,672,362.72 is: 2,307,708.17
Step by Step Solution
- Step 1: Write the proportion equation
2,818,479.84 : 3,889,245.36 = 1,672,362.72 : x - Step 2: Convert to fraction form
2,818,479.84/3,889,245.36 = 1,672,362.72/x - Step 3: Cross multiply
2,818,479.84x = 3,889,245.36 × 1,672,362.72 - Step 4: Simplify right side
2,818,479.84x = 6,504,228,948,996.98 - Step 5: Solve for x
x = 6,504,228,948,996.98/2,818,479.84 - Step 6: Final answer
x = 2,307,708.17
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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.