Finding the Fourth Proportional to 3,929,329.12, 5,893,994 and 1,089,441.36
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Solution
The fourth proportional to 3,929,329.12, 5,893,994 and 1,089,441.36 is: 1,634,162.13
Step by Step Solution
- Step 1: Write the proportion equation
3,929,329.12 : 5,893,994 = 1,089,441.36 : x - Step 2: Convert to fraction form
3,929,329.12/5,893,994 = 1,089,441.36/x - Step 3: Cross multiply
3,929,329.12x = 5,893,994 × 1,089,441.36 - Step 4: Simplify right side
3,929,329.12x = 6,421,160,839,191.84 - Step 5: Solve for x
x = 6,421,160,839,191.84/3,929,329.12 - Step 6: Final answer
x = 1,634,162.13
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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.