Finding the Fourth Proportional to 3,445,438.98, 5,167,764.12 and 921,291.06
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Solution
The fourth proportional to 3,445,438.98, 5,167,764.12 and 921,291.06 is: 1,381,831.14
Step by Step Solution
- Step 1: Write the proportion equation
3,445,438.98 : 5,167,764.12 = 921,291.06 : x - Step 2: Convert to fraction form
3,445,438.98/5,167,764.12 = 921,291.06/x - Step 3: Cross multiply
3,445,438.98x = 5,167,764.12 × 921,291.06 - Step 4: Simplify right side
3,445,438.98x = 4,761,014,883,944.77 - Step 5: Solve for x
x = 4,761,014,883,944.77/3,445,438.98 - Step 6: Final answer
x = 1,381,831.14
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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.