Finding the Fourth Proportional to 5,122,150.56, 7,068,565.44 and 2,830,291.20
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Solution
The fourth proportional to 5,122,150.56, 7,068,565.44 and 2,830,291.20 is: 3,905,800.57
Step by Step Solution
- Step 1: Write the proportion equation
5,122,150.56 : 7,068,565.44 = 2,830,291.20 : x - Step 2: Convert to fraction form
5,122,150.56/7,068,565.44 = 2,830,291.20/x - Step 3: Cross multiply
5,122,150.56x = 7,068,565.44 × 2,830,291.20 - Step 4: Simplify right side
5,122,150.56x = 20,006,098,561,456.13 - Step 5: Solve for x
x = 20,006,098,561,456.13/5,122,150.56 - Step 6: Final answer
x = 3,905,800.57
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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.