Finding the Fourth Proportional to 2,018,778.23, 3,027,281.47 and 755,720.12
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Solution
The fourth proportional to 2,018,778.23, 3,027,281.47 and 755,720.12 is: 1,133,248.56
Step by Step Solution
- Step 1: Write the proportion equation
2,018,778.23 : 3,027,281.47 = 755,720.12 : x - Step 2: Convert to fraction form
2,018,778.23/3,027,281.47 = 755,720.12/x - Step 3: Cross multiply
2,018,778.23x = 3,027,281.47 × 755,720.12 - Step 4: Simplify right side
2,018,778.23x = 2,287,777,515,782.18 - Step 5: Solve for x
x = 2,287,777,515,782.18/2,018,778.23 - Step 6: Final answer
x = 1,133,248.56
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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.