Finding the Fourth Proportional to 1,644,442.80, 2,467,765.80 and 579,487.20
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Solution
The fourth proportional to 1,644,442.80, 2,467,765.80 and 579,487.20 is: 869,618.99
Step by Step Solution
- Step 1: Write the proportion equation
1,644,442.80 : 2,467,765.80 = 579,487.20 : x - Step 2: Convert to fraction form
1,644,442.80/2,467,765.80 = 579,487.20/x - Step 3: Cross multiply
1,644,442.80x = 2,467,765.80 × 579,487.20 - Step 4: Simplify right side
1,644,442.80x = 1,430,038,693,697.76 - Step 5: Solve for x
x = 1,430,038,693,697.76/1,644,442.80 - Step 6: Final answer
x = 869,618.99
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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.