Finding the Fourth Proportional to 2,162,918.99, 3,246,328.56 and 1,152,882.20
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Solution
The fourth proportional to 2,162,918.99, 3,246,328.56 and 1,152,882.20 is: 1,730,362.73
Step by Step Solution
- Step 1: Write the proportion equation
2,162,918.99 : 3,246,328.56 = 1,152,882.20 : x - Step 2: Convert to fraction form
2,162,918.99/3,246,328.56 = 1,152,882.20/x - Step 3: Cross multiply
2,162,918.99x = 3,246,328.56 × 1,152,882.20 - Step 4: Simplify right side
2,162,918.99x = 3,742,634,412,175.63 - Step 5: Solve for x
x = 3,742,634,412,175.63/2,162,918.99 - Step 6: Final answer
x = 1,730,362.73
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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.