Finding the Fourth Proportional to 1,769,319.36, 2,653,980.88 and 439,623.36
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Solution
The fourth proportional to 1,769,319.36, 2,653,980.88 and 439,623.36 is: 659,435.50
Step by Step Solution
- Step 1: Write the proportion equation
1,769,319.36 : 2,653,980.88 = 439,623.36 : x - Step 2: Convert to fraction form
1,769,319.36/2,653,980.88 = 439,623.36/x - Step 3: Cross multiply
1,769,319.36x = 2,653,980.88 × 439,623.36 - Step 4: Simplify right side
1,769,319.36x = 1,166,751,991,841.36 - Step 5: Solve for x
x = 1,166,751,991,841.36/1,769,319.36 - Step 6: Final answer
x = 659,435.50
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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.