Finding the Fourth Proportional to 3,929,315.13, 5,893,972.97 and 1,089,427.37
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Solution
The fourth proportional to 3,929,315.13, 5,893,972.97 and 1,089,427.37 is: 1,634,141.12
Step by Step Solution
- Step 1: Write the proportion equation
3,929,315.13 : 5,893,972.97 = 1,089,427.37 : x - Step 2: Convert to fraction form
3,929,315.13/5,893,972.97 = 1,089,427.37/x - Step 3: Cross multiply
3,929,315.13x = 5,893,972.97 × 1,089,427.37 - Step 4: Simplify right side
3,929,315.13x = 6,421,055,436,641.19 - Step 5: Solve for x
x = 6,421,055,436,641.19/3,929,315.13 - Step 6: Final answer
x = 1,634,141.12
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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.