Finding the Fourth Proportional to 2,260,021.92, 3,118,853.21 and 1,227,539.73
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Solution
The fourth proportional to 2,260,021.92, 3,118,853.21 and 1,227,539.73 is: 1,694,017.30
Step by Step Solution
- Step 1: Write the proportion equation
2,260,021.92 : 3,118,853.21 = 1,227,539.73 : x - Step 2: Convert to fraction form
2,260,021.92/3,118,853.21 = 1,227,539.73/x - Step 3: Cross multiply
2,260,021.92x = 3,118,853.21 × 1,227,539.73 - Step 4: Simplify right side
2,260,021.92x = 3,828,516,227,313.03 - Step 5: Solve for x
x = 3,828,516,227,313.03/2,260,021.92 - Step 6: Final answer
x = 1,694,017.30
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1.5x scale
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.