Finding the Fourth Proportional to 2,174,442.92, 3,000,649.04 and 1,207,635.48
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Solution
The fourth proportional to 2,174,442.92, 3,000,649.04 and 1,207,635.48 is: 1,666,491.32
Step by Step Solution
- Step 1: Write the proportion equation
2,174,442.92 : 3,000,649.04 = 1,207,635.48 : x - Step 2: Convert to fraction form
2,174,442.92/3,000,649.04 = 1,207,635.48/x - Step 3: Cross multiply
2,174,442.92x = 3,000,649.04 × 1,207,635.48 - Step 4: Simplify right side
2,174,442.92x = 3,623,690,243,731.94 - Step 5: Solve for x
x = 3,623,690,243,731.94/2,174,442.92 - Step 6: Final answer
x = 1,666,491.32
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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.