Finding the Fourth Proportional to 1,540,812.12, 2,311,710.30 and 742,174.44
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Solution
The fourth proportional to 1,540,812.12, 2,311,710.30 and 742,174.44 is: 1,113,498.70
Step by Step Solution
- Step 1: Write the proportion equation
1,540,812.12 : 2,311,710.30 = 742,174.44 : x - Step 2: Convert to fraction form
1,540,812.12/2,311,710.30 = 742,174.44/x - Step 3: Cross multiply
1,540,812.12x = 2,311,710.30 × 742,174.44 - Step 4: Simplify right side
1,540,812.12x = 1,715,692,297,344.73 - Step 5: Solve for x
x = 1,715,692,297,344.73/1,540,812.12 - Step 6: Final answer
x = 1,113,498.70
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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.