Finding the Fourth Proportional to 1,717,815.60, 2,576,723.40 and 1,702,069.20
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Solution
The fourth proportional to 1,717,815.60, 2,576,723.40 and 1,702,069.20 is: 2,553,103.80
Step by Step Solution
- Step 1: Write the proportion equation
1,717,815.60 : 2,576,723.40 = 1,702,069.20 : x - Step 2: Convert to fraction form
1,717,815.60/2,576,723.40 = 1,702,069.20/x - Step 3: Cross multiply
1,717,815.60x = 2,576,723.40 × 1,702,069.20 - Step 4: Simplify right side
1,717,815.60x = 4,385,761,536,059.28 - Step 5: Solve for x
x = 4,385,761,536,059.28/1,717,815.60 - Step 6: Final answer
x = 2,553,103.80
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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.