Finding the Fourth Proportional to 3,745,853.64, 5,169,291.66 and 2,026,974.18
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Solution
The fourth proportional to 3,745,853.64, 5,169,291.66 and 2,026,974.18 is: 2,797,231.75
Step by Step Solution
- Step 1: Write the proportion equation
3,745,853.64 : 5,169,291.66 = 2,026,974.18 : x - Step 2: Convert to fraction form
3,745,853.64/5,169,291.66 = 2,026,974.18/x - Step 3: Cross multiply
3,745,853.64x = 5,169,291.66 × 2,026,974.18 - Step 4: Simplify right side
3,745,853.64x = 10,478,020,723,709.34 - Step 5: Solve for x
x = 10,478,020,723,709.34/3,745,853.64 - Step 6: Final answer
x = 2,797,231.75
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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.