Finding the Fourth Proportional to 4,028,573.70, 6,042,860.55 and 1,369,181.70
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Solution
The fourth proportional to 4,028,573.70, 6,042,860.55 and 1,369,181.70 is: 2,053,772.55
Step by Step Solution
- Step 1: Write the proportion equation
4,028,573.70 : 6,042,860.55 = 1,369,181.70 : x - Step 2: Convert to fraction form
4,028,573.70/6,042,860.55 = 1,369,181.70/x - Step 3: Cross multiply
4,028,573.70x = 6,042,860.55 × 1,369,181.70 - Step 4: Simplify right side
4,028,573.70x = 8,273,774,080,711.94 - Step 5: Solve for x
x = 8,273,774,080,711.94/4,028,573.70 - Step 6: Final answer
x = 2,053,772.55
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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.